jdk/src/java.desktop/windows/native/libawt/windows/awt_Window.cpp

@@ -3665,12 +3665,12 @@
 
     RequestWindowFocusStruct *rfs = new RequestWindowFocusStruct;
     rfs->component = selfGlobalRef;
     rfs->isMouseEventCause = isMouseEventCause;
 
-    return (jboolean)AwtToolkit::GetInstance().SyncCall(
-        (void*(*)(void*))AwtWindow::_RequestWindowFocus, rfs);
+    return (jboolean)(AwtToolkit::GetInstance().SyncCall(
+        (void*(*)(void*))AwtWindow::_RequestWindowFocus, rfs) != NULL);
     // global refs and rfs are deleted in _RequestWindowFocus
 
     CATCH_BAD_ALLOC_RET(JNI_FALSE);
 }