--- src/usr.sbin/pppd/main.c	2005/11/24 23:42:54	1.5
+++ src/usr.sbin/pppd/main.c	2006/07/27 00:40:55	1.6
@@ -1492,7 +1492,7 @@ vfmtmsg(char *buf, int buflen, char *fmt
 	    break;
 	case 'r':
 	    f = va_arg(args, char *);
-#ifndef __powerpc__
+#if !defined(__powerpc__) && !defined(__amd64__)
 	    n = vfmtmsg(buf, buflen + 1, f, va_arg(args, va_list));
 #else
 	    /* On the powerpc, a va_list is an array of 1 structure */