Index: uspace/srv/hid/display/main.c
===================================================================
--- uspace/srv/hid/display/main.c	(revision 13d20e5193e101df61fa9376d8d50fc032741d4c)
+++ uspace/srv/hid/display/main.c	(revision 1762ceb445bb679a2b95d284386030a1fc9bf674)
@@ -188,5 +188,7 @@
 		display_conn(icall, &srv);
 
+		ds_display_lock(disp);
 		ds_client_destroy(client);
+		ds_display_unlock(disp);
 	} else {
 		/* Window GC connection */