--- src/mreadline.c.orig	Sun Jun 17 21:56:27 2001
+++ src/mreadline.c	Thu Jul 19 14:33:46 2001
@@ -166,9 +166,9 @@
     }
 
     if ((uin = TabGetNext ()))
-        sprintf (s, "%s %s/", message_cmd, UIN2Name (uin));
+        snprintf (s, sizeof(s), "%s %s/", message_cmd, UIN2Name (uin));
     else
-        sprintf (s, "%s ", message_cmd);
+	 snprintf (s, sizeof(s), "%s ", message_cmd);
 
     clen = cpos = strlen (s);
     R_undraw ();
