diff --git a/src/jogl/native/macosx/MacOSXWindowSystemInterface.m b/src/jogl/native/macosx/MacOSXWindowSystemInterface.m
index 16b85974e..7d5514b4c 100644
--- a/src/jogl/native/macosx/MacOSXWindowSystemInterface.m
+++ b/src/jogl/native/macosx/MacOSXWindowSystemInterface.m
@@ -648,7 +648,7 @@ void updateContext(NSOpenGLContext* ctx) {
   NSView *nsView = [ctx view];
   if(NULL != nsView) {
       DBG_PRINT("updateContext.0: ctx %p, ctx.view %p\n", ctx, nsView);
-      [ctx update];
+      [ctx performSelectorOnMainThread:@selector(update) withObject:nil waitUntilDone:NO];
       DBG_PRINT("updateContext.X\n");
   }
   [pool release];