diff --git a/lodash.js b/lodash.js
index 538c05a90..6022bb8e5 100644
--- a/lodash.js
+++ b/lodash.js
@@ -2696,7 +2696,10 @@
      * _.intersection([1, 2, 3], [5, 2, 1, 4], [2, 1]);
      * // => [1, 2]
      */
-    function intersection() {
+    function intersection(array) {
+      if (!array) {
+        return [];
+      }
       var args = [],
           argsIndex = -1,
           argsLength = arguments.length,
@@ -2710,9 +2713,10 @@
         if (isArray(value) || isArguments(value)) {
           args.push(value);
           caches.push(prereq && value.length >= 120 &&
-            createCache(argsIndex ? args[argsIndex] : seen));
+            createCache(argsIndex ? value : seen));
         }
       }
+      argsLength = args.length;
       var array = args[0],
           index = -1,
           length = array ? array.length : 0,
diff --git a/test/test.js b/test/test.js
index 44994957e..44ee10d0f 100644
--- a/test/test.js
+++ b/test/test.js
@@ -3524,7 +3524,8 @@
     });
 
     test('should ignore individual secondary values', 1, function() {
-      deepEqual(_.intersection([1, null, 3], 3, null), []);
+      var array = [1, null, 3];
+      deepEqual(_.intersection([1, null, 3], 3, null), array);
     });
   }());
 
@@ -9212,7 +9213,7 @@
       }
 
       deepEqual(_.difference(array, null), array, message('difference'));
-      deepEqual(_.intersection(array, null), [], message('intersection'));
+      deepEqual(_.intersection(array, null), array, message('intersection'));
       deepEqual(_.union(array, null), array, message('union'));
     });
   }(1, null, [3], null, 5));