Index: /trunk/src/VBox/HostServices/SharedOpenGL/crserverlib/server_main.c
===================================================================
--- /trunk/src/VBox/HostServices/SharedOpenGL/crserverlib/server_main.c	(revision 50814)
+++ /trunk/src/VBox/HostServices/SharedOpenGL/crserverlib/server_main.c	(revision 50815)
@@ -164,5 +164,5 @@
     /* sync our state with renderspu,
      * do it before mural & context deletion to avoid deleting currently set murals/contexts*/
-    cr_server.head_spu->dispatch_table.MakeCurrent(0, 0, 0);
+    cr_server.head_spu->dispatch_table.MakeCurrent(CR_RENDER_DEFAULT_WINDOW_ID, 0, CR_RENDER_DEFAULT_CONTEXT_ID);
 
     /* Deallocate all semaphores */