diff --git a/lodash.src.js b/lodash.src.js
index 0f80d15ce..2fd7bbcc8 100644
--- a/lodash.src.js
+++ b/lodash.src.js
@@ -2383,11 +2383,8 @@
      * @returns {boolean} Returns `true` if `object` is a match, else `false`.
      */
     function baseIsMatch(object, props, values, strictCompareFlags, customizer) {
-      var length = props.length;
-      if (object == null) {
-        return !length;
-      }
       var index = -1,
+          length = props.length,
           noCustomizer = !customizer;
 
       while (++index < length) {
@@ -2400,13 +2397,13 @@
       }
       index = -1;
       while (++index < length) {
-        var key = props[index];
-        if (noCustomizer && strictCompareFlags[index]) {
-          var result = key in object;
-        } else {
-          var objValue = object[key],
-              srcValue = values[index];
+        var key = props[index],
+            objValue = object[key],
+            srcValue = values[index];
 
+        if (noCustomizer && strictCompareFlags[index]) {
+          var result = typeof objValue != 'undefined' || (key in object);
+        } else {
           result = customizer ? customizer(objValue, srcValue, key) : undefined;
           if (typeof result == 'undefined') {
             result = baseIsEqual(srcValue, objValue, customizer, true);
@@ -2447,13 +2444,17 @@
       var props = keys(source),
           length = props.length;
 
+      if (!length) {
+        return constant(true);
+      }
       if (length == 1) {
         var key = props[0],
             value = source[key];
 
         if (isStrictComparable(value)) {
           return function(object) {
-            return object != null && object[key] === value && key in object;
+            return object != null && object[key] === value &&
+              (typeof value != 'undefined' || (key in toObject(object)));
           };
         }
       }
@@ -2466,7 +2467,7 @@
         strictCompareFlags[length] = isStrictComparable(value);
       }
       return function(object) {
-        return baseIsMatch(object, props, values, strictCompareFlags);
+        return object != null && baseIsMatch(toObject(object), props, values, strictCompareFlags);
       };
     }
 
@@ -2482,7 +2483,8 @@
     function baseMatchesProperty(key, value) {
       if (isStrictComparable(value)) {
         return function(object) {
-          return object != null && object[key] === value && key in object;
+          return object != null && object[key] === value &&
+            (typeof value != 'undefined' || (key in toObject(object)));
         };
       }
       return function(object) {
@@ -8715,13 +8717,19 @@
       var props = keys(source),
           length = props.length;
 
+      if (!length) {
+        return true;
+      }
+      if (object == null) {
+        return false;
+      }
       customizer = typeof customizer == 'function' && bindCallback(customizer, thisArg, 3);
       if (!customizer && length == 1) {
         var key = props[0],
             value = source[key];
 
         if (isStrictComparable(value)) {
-          return object != null && value === object[key] && key in object;
+          return value === object[key] && (typeof value != 'undefined' || (key in toObject(object)));
         }
       }
       var values = Array(length),
@@ -8731,7 +8739,7 @@
         value = values[length] = source[props[length]];
         strictCompareFlags[length] = isStrictComparable(value);
       }
-      return baseIsMatch(object, props, values, strictCompareFlags, customizer);
+      return baseIsMatch(toObject(object), props, values, strictCompareFlags, customizer);
     }
 
     /**