diff --git a/packet-isakmp.c b/packet-isakmp.c
index ca35793b7e..3db149a2d0 100644
--- a/packet-isakmp.c
+++ b/packet-isakmp.c
@@ -2,7 +2,7 @@
  * Routines for the Internet Security Association and Key Management Protocol (ISAKMP)
  * Brad Robel-Forrest <brad.robel-forrest@watchguard.com>
  *
- * $Id: packet-isakmp.c,v 1.2 1999/06/12 09:02:12 guy Exp $
+ * $Id: packet-isakmp.c,v 1.3 1999/07/06 06:10:31 guy Exp $
  *
  * Ethereal - Network traffic analyzer
  * By Gerald Combs <gerald@unicom.net>
@@ -1035,10 +1035,10 @@ num2str(const guint8 *pd, guint16 len) {
     snprintf(numstr, NUMSTR_LEN, "%u", pntohs(pd));
     break;
   case 3:
-    snprintf(numstr, NUMSTR_LEN, "%lu", pntohl(pd) & 0x0fff);
+    snprintf(numstr, NUMSTR_LEN, "%u", pntohl(pd) & 0x0fff);
     break;
   case 4:
-    snprintf(numstr, NUMSTR_LEN, "%lu", pntohl(pd));
+    snprintf(numstr, NUMSTR_LEN, "%u", pntohl(pd));
     break;
   default:
     snprintf(numstr, NUMSTR_LEN, "<too big>");