--- a/dwm.c	Mon Sep 21 19:51:17 2009 +0100
+++ b/dwm.c	Tue Sep 22 09:16:48 2009 +0100
@@ -1769,6 +1769,7 @@
 		else { /* less monitors available */
 			cleanup();
 			setup();
+			scan();
 		}
 		free(unique);
 	}