diff -r 6f54bd1ef439 dwm.c
--- a/dwm.c	Wed Jan 04 13:30:12 2012 +0100
+++ b/dwm.c	Wed Jan 11 22:29:57 2012 +0100
@@ -1827,6 +1827,8 @@
 		.event_mask = ButtonPressMask|ExposureMask
 	};
 	for(m = mons; m; m = m->next) {
+		if (m->barwin)
+			continue;
 		m->barwin = XCreateWindow(dpy, root, m->wx, m->by, m->ww, bh, 0, DefaultDepth(dpy, screen),
 		                          CopyFromParent, DefaultVisual(dpy, screen),
 		                          CWOverrideRedirect|CWBackPixmap|CWEventMask, &wa);