diff --git a/lodash.js b/lodash.js
index 14bced112..f511c67d6 100644
--- a/lodash.js
+++ b/lodash.js
@@ -13230,7 +13230,9 @@
      * var lodash = _.noConflict();
      */
     function noConflict() {
-      root._ = oldDash;
+      if (root._ === this) {
+        root._ = oldDash;
+      }
       return this;
     }
 
diff --git a/test/test.js b/test/test.js
index d1eaaa37a..ff1f771f8 100644
--- a/test/test.js
+++ b/test/test.js
@@ -14297,6 +14297,20 @@
       }
     });
 
+    QUnit.test('should restore `_` only if `lodash` is the current `_` value', function(assert) {
+      assert.expect(2);
+
+      if (!isModularize) {
+        var object = root._ = {};
+        assert.strictEqual(_.noConflict(), oldDash);
+        assert.strictEqual(root._, object);
+        root._ = oldDash;
+      }
+      else {
+        skipTest(assert, 2);
+      }
+    });
+
     QUnit.test('should work with a `root` of `this`', function(assert) {
       assert.expect(2);