diff -ur zsh-4.2.5.ORIG/Src/utils.c zsh-4.2.5/Src/utils.c
--- zsh-4.2.5.ORIG/Src/utils.c	2005-03-21 12:49:00.000000000 -0600
+++ zsh-4.2.5/Src/utils.c	2005-08-06 07:43:46.000000000 -0500
@@ -1054,7 +1054,7 @@
 	winchanged =
 #endif /* TIOCGWINSZ */
 	    resetneeded = 1;
-	zrefresh();
+	trashzle();
     }
 }
 
Only in zsh-4.2.5/Src: utils.c~