diff --git a/grunt/config/browserify.js b/grunt/config/browserify.js
index e61fba9bc986f..9ac07bb71e233 100644
--- a/grunt/config/browserify.js
+++ b/grunt/config/browserify.js
@@ -19,7 +19,9 @@ var SECRET_INTERNALS_NAME = 'React.__SECRET_INTERNALS_DO_NOT_USE_OR_YOU_WILL_BE_
 var shimSharedModules = globalShim.configure({
   './ReactCurrentOwner': SECRET_INTERNALS_NAME + '.ReactCurrentOwner',
   './ReactComponentTreeHook': SECRET_INTERNALS_NAME + '.ReactComponentTreeHook',
-  // All these methods are shared are exposed.
+  // The methods we used here are exposed on the main React export.
+  // TODO: Change all renderer code to require the isomorphic React directly
+  // instead of these internals.
   './ReactElement': 'React',
   './ReactPropTypes': 'React.PropTypes',
   './ReactChildren': 'React.Children',
@@ -27,7 +29,7 @@ var shimSharedModules = globalShim.configure({
 
 var shimDOMModules = aliasify.configure({
   'aliases': {
-    './ReactAddonsDOMDependencies': './build/modules/ReactAddonsDOMDependenciesUMDShim.js',
+    './ReactAddonsDOMDependencies': {relative: './ReactAddonsDOMDependenciesUMDShim'},
   },
 });
 
diff --git a/src/renderers/dom/client/ReactMount.js b/src/renderers/dom/client/ReactMount.js
index af0a9cd57ba94..c33dee098ca7a 100644
--- a/src/renderers/dom/client/ReactMount.js
+++ b/src/renderers/dom/client/ReactMount.js
@@ -237,6 +237,7 @@ if (__DEV__) {
 TopLevelWrapper.prototype.render = function() {
   return this.props.child;
 };
+TopLevelWrapper.isReactTopLevelWrapper = true;
 
 /**
  * Mounting is the process of initializing a React component by creating its
diff --git a/src/renderers/shared/stack/reconciler/ReactUpdates.js b/src/renderers/shared/stack/reconciler/ReactUpdates.js
index ea2235aa00377..f1fdb05e1fc83 100644
--- a/src/renderers/shared/stack/reconciler/ReactUpdates.js
+++ b/src/renderers/shared/stack/reconciler/ReactUpdates.js
@@ -160,10 +160,7 @@ function runBatchedUpdates(transaction) {
     if (ReactFeatureFlags.logTopLevelRenders) {
       var namedComponent = component;
       // Duck type TopLevelWrapper. This is probably always true.
-      if (
-        component._currentElement.props.child ===
-        component._renderedComponent._currentElement
-      ) {
+      if (component._currentElement.type.isReactTopLevelWrapper) {
         namedComponent = component._renderedComponent;
       }
       markerName = 'React update: ' + namedComponent.getName();