diff --git a/src/core/display.c b/src/core/display.c
index 041f83041..d6113141a 100644
--- a/src/core/display.c
+++ b/src/core/display.c
@@ -3560,6 +3560,9 @@ meta_spew_event (MetaDisplay *display,
   if (event->type == (display->xsync_event_base + XSyncAlarmNotify))
     return;
 
+  if (event->type == PropertyNotify && event->xproperty.atom == display->atom__NET_WM_USER_TIME)
+    return;
+
   input_event = get_input_event (display, event);
 
   if (input_event)