diff --git a/src/wlserver.cpp b/src/wlserver.cpp
index 78a86ee0e2..4ce9511352 100644
--- a/src/wlserver.cpp
+++ b/src/wlserver.cpp
@@ -1956,6 +1956,7 @@ void wlserver_run(void)
 			wl_display_flush_clients(wlserver.display);
 			int ret = wl_event_loop_dispatch(wlserver.event_loop, 0);
 			if (ret < 0) {
+				wlserver_unlock();
 				break;
 			}