Index: /trunk/src/VBox/HostServices/SharedOpenGL/render/renderspu.c
===================================================================
--- /trunk/src/VBox/HostServices/SharedOpenGL/render/renderspu.c	(revision 52577)
+++ /trunk/src/VBox/HostServices/SharedOpenGL/render/renderspu.c	(revision 52578)
@@ -339,6 +339,6 @@
     renderspuVBoxCompositorSet(window, NULL);
     renderspuVBoxPresentBlitterCleanup(window);
+    window->BltInfo.Base.id = -1;
     renderspu_SystemDestroyWindow( window );
-    window->BltInfo.Base.id = -1;
 }