--- a/dwm.c	Thu Jun 25 11:10:19 2009 +0100
+++ b/dwm.c	Thu Jun 25 11:17:42 2009 +0100
@@ -1502,7 +1502,7 @@
 			detach(c);
 			detachstack(c);
 			c->mon = m;
-			c->tags = selmon->seltags; /* assign tags of target monitor */
+			c->tags = m->seltags; /* assign tags of target monitor */
 			attach(c);
 			attachstack(c);
 			m->sel = c;