--- openvpn-admin-1.9.4/openvpn-admin.pam.orig	2007-10-02 14:42:18.000000000 -0300
+++ openvpn-admin-1.9.4/openvpn-admin.pam	2007-10-02 14:42:42.000000000 -0300
@@ -1,7 +1,7 @@
 #%PAM-1.0
 auth       sufficient	pam_rootok.so
 auth       sufficient   pam_timestamp.so
-auth       required	pam_stack.so service=system-auth
+auth       include      system-auth
 session	   required	pam_permit.so
 session    optional	pam_xauth.so
 session    optional     pam_timestamp.so