diff --git a/README.md b/README.md
index 14e57ab65..c7411f307 100644
--- a/README.md
+++ b/README.md
@@ -248,6 +248,7 @@ require({
  * Ensure Lo-Dash runs in the JS engine embedded in various Adobe products
  * Ensured `bound` result of `_.bind(func, …)` is an instance of `bound` and `func`
  * Ensured `_.reduce` and `_.reduceRight` pass the correct number of `callback` arguments
+ * Ensured `_.throttle` nulls the `timeoutId`
  * Made deep `_.clone` more closely follow the structured clone algorithm and copy array properties assigned by `RegExp#exec`
  * Optimized compiled templates in Firefox
  * Optimized `_.forEach`, `_.forOwn`, `_.isNumber`, and `_.isString`
diff --git a/doc/README.md b/doc/README.md
index 3c9086583..291367e04 100644
--- a/doc/README.md
+++ b/doc/README.md
@@ -698,7 +698,7 @@ The `lodash` function.
 <!-- div -->
 
 ### <a id="_chainvalue"></a>`_.chain(value)`
-<a href="#_chainvalue">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L4073 "View in source") [&#x24C9;][1]
+<a href="#_chainvalue">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L4074 "View in source") [&#x24C9;][1]
 
 Wraps the value in a `lodash` wrapper object.
 
@@ -732,7 +732,7 @@ var youngest = _.chain(stooges)
 <!-- div -->
 
 ### <a id="_tapvalue-interceptor"></a>`_.tap(value, interceptor)`
-<a href="#_tapvalue-interceptor">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L4098 "View in source") [&#x24C9;][1]
+<a href="#_tapvalue-interceptor">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L4099 "View in source") [&#x24C9;][1]
 
 Invokes `interceptor` with the `value` as the first argument, and then returns `value`. The purpose of this method is to "tap into" a method chain, in order to perform operations on intermediate results within the chain.
 
@@ -762,7 +762,7 @@ _.chain([1, 2, 3, 200])
 <!-- div -->
 
 ### <a id="_prototypechain"></a>`_.prototype.chain()`
-<a href="#_prototypechain">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L4120 "View in source") [&#x24C9;][1]
+<a href="#_prototypechain">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L4121 "View in source") [&#x24C9;][1]
 
 This function returns the wrapper object.  Note: This function is defined to ensure the existing wrapper object is returned, instead of creating a new wrapper object like the `_.chain` method does.
 
@@ -783,7 +783,7 @@ _([1, 2, 3]).value();
 <!-- div -->
 
 ### <a id="_prototypetostring"></a>`_.prototype.toString()`
-<a href="#_prototypetostring">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L4136 "View in source") [&#x24C9;][1]
+<a href="#_prototypetostring">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L4137 "View in source") [&#x24C9;][1]
 
 Produces the `toString` result of the wrapped value.
 
@@ -804,7 +804,7 @@ _([1, 2, 3]).toString();
 <!-- div -->
 
 ### <a id="_prototypevalueof"></a>`_.prototype.valueOf()`
-<a href="#_prototypevalueof">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L4152 "View in source") [&#x24C9;][1]
+<a href="#_prototypevalueof">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L4153 "View in source") [&#x24C9;][1]
 
 Extracts the wrapped value.
 
@@ -1807,7 +1807,7 @@ jQuery(window).on('scroll', throttled);
 <!-- div -->
 
 ### <a id="_wrapvalue-wrapper"></a>`_.wrap(value, wrapper)`
-<a href="#_wrapvalue-wrapper">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L3625 "View in source") [&#x24C9;][1]
+<a href="#_wrapvalue-wrapper">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L3626 "View in source") [&#x24C9;][1]
 
 Creates a function that passes `value` to the `wrapper` function as its first argument. Additional arguments passed to the function are appended to those passed to the `wrapper` function. The `wrapper` is executed with the `this` binding of the created function.
 
@@ -2720,7 +2720,7 @@ _.values({ 'one': 1, 'two': 2, 'three': 3 });
 <!-- div -->
 
 ### <a id="_escapestring"></a>`_.escape(string)`
-<a href="#_escapestring">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L3649 "View in source") [&#x24C9;][1]
+<a href="#_escapestring">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L3650 "View in source") [&#x24C9;][1]
 
 Converts the characters `&`, `<`, `>`, `"`, and `'` in `string` to their corresponding HTML entities.
 
@@ -2744,7 +2744,7 @@ _.escape('Moe, Larry & Curly');
 <!-- div -->
 
 ### <a id="_identityvalue"></a>`_.identity(value)`
-<a href="#_identityvalue">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L3669 "View in source") [&#x24C9;][1]
+<a href="#_identityvalue">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L3670 "View in source") [&#x24C9;][1]
 
 This function returns the first argument passed to it.  Note: This function is used throughout Lo-Dash as a default callback.
 
@@ -2769,7 +2769,7 @@ moe === _.identity(moe);
 <!-- div -->
 
 ### <a id="_mixinobject"></a>`_.mixin(object)`
-<a href="#_mixinobject">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L3695 "View in source") [&#x24C9;][1]
+<a href="#_mixinobject">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L3696 "View in source") [&#x24C9;][1]
 
 Adds functions properties of `object` to the `lodash` function and chainable wrapper.
 
@@ -2799,7 +2799,7 @@ _('curly').capitalize();
 <!-- div -->
 
 ### <a id="_noconflict"></a>`_.noConflict()`
-<a href="#_noconflict">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L3721 "View in source") [&#x24C9;][1]
+<a href="#_noconflict">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L3722 "View in source") [&#x24C9;][1]
 
 Reverts the '_' variable to its previous value and returns a reference to the `lodash` function.
 
@@ -2819,7 +2819,7 @@ var lodash = _.noConflict();
 <!-- div -->
 
 ### <a id="_randommin0-max1"></a>`_.random([min=0, max=1])`
-<a href="#_randommin0-max1">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L3744 "View in source") [&#x24C9;][1]
+<a href="#_randommin0-max1">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L3745 "View in source") [&#x24C9;][1]
 
 Produces a random number between `min` and `max` *(inclusive)*. If only one argument is passed, a number between `0` and the given number will be returned.
 
@@ -2847,7 +2847,7 @@ _.random(5);
 <!-- div -->
 
 ### <a id="_resultobject-property"></a>`_.result(object, property)`
-<a href="#_resultobject-property">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L3782 "View in source") [&#x24C9;][1]
+<a href="#_resultobject-property">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L3783 "View in source") [&#x24C9;][1]
 
 Resolves the value of `property` on `object`. If `property` is a function it will be invoked and its result returned, else the property value is returned. If `object` is falsey, then `null` is returned.
 
@@ -2882,7 +2882,7 @@ _.result(object, 'stuff');
 <!-- div -->
 
 ### <a id="_templatetext-data-options"></a>`_.template(text, data, options)`
-<a href="#_templatetext-data-options">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L3867 "View in source") [&#x24C9;][1]
+<a href="#_templatetext-data-options">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L3868 "View in source") [&#x24C9;][1]
 
 A micro-templating method that handles arbitrary delimiters, preserves whitespace, and correctly escapes quotes within interpolated code.  Note: In the development build `_.template` utilizes sourceURLs for easier debugging. See http://www.html5rocks.com/en/tutorials/developertools/sourcemaps/#toc-sourceurl  Note: Lo-Dash may be used in Chrome extensions by either creating a `lodash csp` build and avoiding `_.template` use, or loading Lo-Dash in a sandboxed page. See http://developer.chrome.com/trunk/extensions/sandboxingEval.html
 
@@ -2956,7 +2956,7 @@ fs.writeFileSync(path.join(cwd, 'jst.js'), '\
 <!-- div -->
 
 ### <a id="_timesn-callback--thisarg"></a>`_.times(n, callback [, thisArg])`
-<a href="#_timesn-callback--thisarg">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L3998 "View in source") [&#x24C9;][1]
+<a href="#_timesn-callback--thisarg">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L3999 "View in source") [&#x24C9;][1]
 
 Executes the `callback` function `n` times, returning an array of the results of each `callback` execution. The `callback` is bound to `thisArg` and invoked with one argument; *(index)*.
 
@@ -2988,7 +2988,7 @@ _.times(3, function(n) { this.cast(n); }, mage);
 <!-- div -->
 
 ### <a id="_unescapestring"></a>`_.unescape(string)`
-<a href="#_unescapestring">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L4024 "View in source") [&#x24C9;][1]
+<a href="#_unescapestring">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L4025 "View in source") [&#x24C9;][1]
 
 The opposite of `_.escape`, this method converts the HTML entities `&amp;`, `&lt;`, `&gt;`, `&quot;`, and `&#x27;` in `string` to their corresponding characters.
 
@@ -3012,7 +3012,7 @@ _.unescape('Moe, Larry &amp; Curly');
 <!-- div -->
 
 ### <a id="_uniqueidprefix"></a>`_.uniqueId([prefix])`
-<a href="#_uniqueidprefix">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L4044 "View in source") [&#x24C9;][1]
+<a href="#_uniqueidprefix">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L4045 "View in source") [&#x24C9;][1]
 
 Generates a unique ID. If `prefix` is passed, the ID will be appended to it.
 
@@ -3046,7 +3046,7 @@ _.uniqueId();
 <!-- div -->
 
 ### <a id="_version"></a>`_.VERSION`
-<a href="#_version">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L4165 "View in source") [&#x24C9;][1]
+<a href="#_version">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L4166 "View in source") [&#x24C9;][1]
 
 *(String)*: The semantic version number.
 
diff --git a/lodash.js b/lodash.js
index 3ddfb544d..b931f4424 100644
--- a/lodash.js
+++ b/lodash.js
@@ -3591,6 +3591,7 @@
 
       if (remaining <= 0) {
         clearTimeout(timeoutId);
+        timeoutId = null;
         lastCalled = now;
         result = func.apply(thisArg, args);
       }
diff --git a/lodash.min.js b/lodash.min.js
index 9efab5600..d39533c9c 100644
--- a/lodash.min.js
+++ b/lodash.min.js
@@ -34,8 +34,8 @@ e.length:0;for("number"==typeof n&&(r=(0>n?Dt(0,r+n):Pt(n,r-1))+1);r--;)if(e[r]=
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diff --git a/lodash.underscore.js b/lodash.underscore.js
index c84173860..15be8ca90 100644
--- a/lodash.underscore.js
+++ b/lodash.underscore.js
@@ -26,8 +26,8 @@ e},n.isNumber=b,n.isObject=y,n.isRegExp=function(e){return rt.call(e)==mt},n.isS
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-u+"||{}){"+s+"}"),s="function("+u+"){var __t,__p='',__j=Array.prototype.join;function print(){__p+=__j.call(arguments,'')}"+s+"return __p}";try{var a=Function("_","return "+s)(n)}catch(f){throw f.source=s,f}return t?a(t):(a.source=s,a)},n.throttle=function(e,t){function n(){u=new Date,o=null,i=e.apply(s,r)}var r,i,s,o,u=0;return function(){var a=new Date,f=t-(a-u);return r=arguments,s=this,0>=f?(clearTimeout(o),u=a,i=e.apply(s,r)):o||(o=setTimeout(n,f)),i}},n.times=function(e,t,n){for(var e=+e||0
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-);
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+e[t];0>P(arguments,i,1)&&r.push(i)}return r},n.wrap=function(e,t){return function(){var n=[e];return nt.apply(n,arguments),t.apply(this,n)}},n.zip=function(e){for(var t=-1,n=e?k(L(arguments,"length")):0,r=Array(n);++t<n;)r[t]=L(arguments,t);return r},n.all=x,n.any=M,n.collect=C,n.detect=N,n.drop=H,n.each=Lt,n.extend=c,n.foldl=A,n.foldr=O,n.head=_,n.include=S,n.inject=A,n.methods=d,n.select=T,n.tail=H,n.take=_,n.unique=j,q(n),n.prototype.chain=function(){return this.__chain__=!0,this},n.prototype.
+value=function(){return this.__wrapped__},Lt("pop push reverse shift sort splice unshift".split(" "),function(e){var t=z[e];n.prototype[e]=function(){var e=this.__wrapped__;return t.apply(e,arguments),bt&&e.length===0&&delete e[0],this}}),Lt(["concat","join","slice"],function(e){var t=z[e];n.prototype[e]=function(){var e=t.apply(this.__wrapped__,arguments);return this.__chain__&&(e=new n(e),e.__chain__=!0),e}}),R?"object"==typeof module&&module&&module.exports==R?(module.exports=n)._=n:R._=n:e._=
+n})(this);
\ No newline at end of file
diff --git a/test/test.js b/test/test.js
index 20fc4fa7d..639ee7a12 100644
--- a/test/test.js
+++ b/test/test.js
@@ -1742,24 +1742,12 @@
 
   (function() {
     test('subsequent calls should return the result of the first call', function() {
-      var throttled = _.throttle(function(value) { return value; }, 90),
+      var throttled = _.throttle(function(value) { return value; }, 32),
           result = [throttled('x'), throttled('y')];
 
       deepEqual(result, ['x', 'x']);
     });
 
-    test('supports calls in a loop', function() {
-      var counter = 0,
-          throttled = _.throttle(function() { counter++; }, 90),
-          start = new Date,
-          limit = 180;
-
-      while ((new Date - start) < limit) {
-        throttled();
-      }
-      ok(counter > 1);
-    });
-
     asyncTest('supports recursive calls', function() {
       var counter = 0;
       var throttled = _.throttle(function() {
@@ -1801,6 +1789,41 @@
         QUnit.start();
       }, 260);
     });
+
+    asyncTest('should not trigger a trailing call when invoked once', function() {
+      var counter = 0,
+          throttled = _.throttle(function() { counter++; }, 32);
+
+      throttled();
+      equal(counter, 1);
+
+      setTimeout(function() {
+        equal(counter, 1);
+        QUnit.start();
+      }, 64);
+    });
+
+    asyncTest('should trigger a trailing call when invoked in a loop', function() {
+      var counter = 0,
+          limit = 90,
+          throttled = _.throttle(function() { counter++; }, 32),
+          start = new Date;
+
+      while ((new Date - start) < limit) {
+        throttled();
+      }
+      setTimeout(function() {
+        throttled();
+        throttled();
+      }, 64);
+
+      setTimeout(function() {
+        ok(counter > 4);
+        QUnit.start();
+      }, 96);
+
+      ok(counter > 1);
+    });
   }());
 
   /*--------------------------------------------------------------------------*/