diff --git a/src/core/display.c b/src/core/display.c
index 8742282d2..7eeac51c0 100644
--- a/src/core/display.c
+++ b/src/core/display.c
@@ -1003,6 +1003,7 @@ meta_display_close (MetaDisplay *display,
    * unregister windows
    */
   g_hash_table_destroy (display->xids);
+  g_hash_table_destroy (display->wayland_windows);
 
   if (display->leader_window != None)
     XDestroyWindow (display->xdisplay, display->leader_window);