diff --git a/components/sdlutil/sdlinputwrapper.cpp b/components/sdlutil/sdlinputwrapper.cpp
index 200d19bd8..647a65005 100644
--- a/components/sdlutil/sdlinputwrapper.cpp
+++ b/components/sdlutil/sdlinputwrapper.cpp
@@ -33,6 +33,10 @@ InputWrapper::InputWrapper(SDL_Window* window, osg::ref_ptr<osgViewer::Viewer> v
         mMouseInWindow(true)
     {
         _setupOISKeys();
+
+        Uint32 flags = SDL_GetWindowFlags(mSDLWindow);
+        mWindowHasFocus = (flags & SDL_WINDOW_INPUT_FOCUS);
+        mMouseInWindow = (flags & SDL_WINDOW_MOUSE_FOCUS);
     }
 
     InputWrapper::~InputWrapper()