diff --git a/sky/engine/bindings/dart_ui.cc b/sky/engine/bindings/dart_ui.cc
index d24472da75b..5ecdc2c5df1 100644
--- a/sky/engine/bindings/dart_ui.cc
+++ b/sky/engine/bindings/dart_ui.cc
@@ -42,7 +42,7 @@ const uint8_t* GetSymbol(Dart_NativeFunction native_function) {
 
 }  // namespace
 
-void DartUI::InitForIsolate() {
+void DartUI::InitForGlobal() {
   if (!g_natives) {
     g_natives = new DartLibraryNatives();
     Canvas::RegisterNatives(g_natives);
@@ -64,7 +64,10 @@ void DartUI::InitForIsolate() {
     SceneBuilder::RegisterNatives(g_natives);
     Window::RegisterNatives(g_natives);
   }
+}
 
+void DartUI::InitForIsolate() {
+  DCHECK(g_natives);
   DART_CHECK_VALID(Dart_SetNativeResolver(
       Dart_LookupLibrary(ToDart("dart:ui")), GetNativeFunction, GetSymbol));
 }
diff --git a/sky/engine/bindings/dart_ui.h b/sky/engine/bindings/dart_ui.h
index c52e2a7243a..3e19fcfc0f4 100644
--- a/sky/engine/bindings/dart_ui.h
+++ b/sky/engine/bindings/dart_ui.h
@@ -11,6 +11,7 @@ namespace blink {
 
 class DartUI {
  public:
+  static void InitForGlobal();
   static void InitForIsolate();
 
  private:
diff --git a/sky/engine/core/script/dart_init.cc b/sky/engine/core/script/dart_init.cc
index e4cd612384f..ad23c1042a4 100644
--- a/sky/engine/core/script/dart_init.cc
+++ b/sky/engine/core/script/dart_init.cc
@@ -290,6 +290,8 @@ void InitDartVM() {
     DartDebugger::InitDebugger();
   }
 
+  DartUI::InitForGlobal();
+
   {
     TRACE_EVENT0("flutter", "Dart_Initialize");
     CHECK(Dart_Initialize(reinterpret_cast<uint8_t*>(