diff --git a/lodash.js b/lodash.js
index bd1ae94ef..1717bf41e 100644
--- a/lodash.js
+++ b/lodash.js
@@ -2252,7 +2252,7 @@
             isFunc = tag == funcTag || tag == genTag;
 
         if (isBuffer(value)) {
-          return cloneBuffer(value);
+          return cloneBuffer(value, isDeep);
         }
         if (tag == objectTag || tag == argsTag || (isFunc && !object)) {
           if (isHostObject(value)) {
@@ -3719,7 +3719,7 @@
      * @returns {Buffer} Returns the cloned buffer.
      */
     function cloneBuffer(buffer, isDeep) {
-      if (!isDeep) {
+      if (isDeep) {
         return buffer.slice();
       }
       var Ctor = buffer.constructor,
diff --git a/test/test.js b/test/test.js
index 21618ab39..91212a1be 100644
--- a/test/test.js
+++ b/test/test.js
@@ -2540,7 +2540,7 @@
       });
 
       QUnit.test('`_.' + methodName + '` should clone buffers', function(assert) {
-        assert.expect(3);
+        assert.expect(4);
 
         if (Buffer) {
           var buffer = new Buffer([1, 2]),
@@ -2549,9 +2549,12 @@
           assert.strictEqual(actual.byteLength, buffer.byteLength);
           assert.strictEqual(actual.inspect(), buffer.inspect());
           assert.notStrictEqual(actual, buffer);
+
+          buffer[0] = 2;
+          assert.strictEqual(actual[0], isDeep ? 2 : 1);
         }
         else {
-          skipTest(assert, 3);
+          skipTest(assert, 4);
         }
       });