diff --git a/src/Monitor.vala b/src/Monitor.vala
index a840c10..e0f722c 100644
--- a/src/Monitor.vala
+++ b/src/Monitor.vala
@@ -59,6 +59,12 @@ class Monitor {
 				return;
 			}
 		}
+
+		/* monitor not found */
+		x = 0;
+		y = 0;
+		w = 0;
+		h = 0;
 	}
 
 	void on_monitor_changed() {