--- a/dwm.c	Mon Sep 01 08:22:11 2008 +0000
+++ b/dwm.c	Mon Sep 01 22:18:50 2008 +0100
@@ -331,7 +331,7 @@
 	for(i = 0; i < LENGTH(buttons); i++)
 		if(click == buttons[i].click && buttons[i].func && buttons[i].button == ev->button
 		   && CLEANMASK(buttons[i].mask) == CLEANMASK(ev->state))
-			buttons[i].func(click == ClkTagBar ? &arg : &buttons[i].arg);
+			buttons[i].func(click == ClkTagBar && buttons[i].arg.i == 0 ? &arg : &buttons[i].arg);
 }
 
 void