diff -Naur emacs-21.3.orig/lib-src/movemail.c emacs-21.3/lib-src/movemail.c
--- emacs-21.3.orig/lib-src/movemail.c	2002-02-15 12:07:14.000000000 +0000
+++ emacs-21.3/lib-src/movemail.c	2005-02-09 07:44:50.000000000 +0000
@@ -787,7 +787,7 @@
       mbx_delimit_begin (mbf);
       if (pop_retr (server, i, mbf) != OK)
 	{
-	  error (Errmsg, 0, 0);
+	  error ("%s", Errmsg, 0);
 	  close (mbfi);
 	  return (1);
 	}