diff --git a/src/x11/window-x11.c b/src/x11/window-x11.c
index f2a82a217..94f62718b 100644
--- a/src/x11/window-x11.c
+++ b/src/x11/window-x11.c
@@ -3506,6 +3506,7 @@ meta_window_x11_update_sync_request_counter (MetaWindow *window,
 
 	if (window == window->display->grab_window &&
 	    meta_grab_op_is_resizing (window->display->grab_op) &&
+            !meta_window_resize_is_pending (window) &&
 	    (!window->extended_sync_request_counter || new_counter_value % 2 == 0))
 	  {
 	    meta_topic (META_DEBUG_RESIZING,