--- vpnc-script	2014-09-08 22:39:57.092114972 +0100
+++ vpnc-script.slackware	2014-09-08 22:54:16.087292228 +0100
@@ -124,7 +124,7 @@
 elif [ -x /sbin/resolvconf ]; then # Optional tool on Debian, Ubuntu, Gentoo
 	MODIFYRESOLVCONF=modify_resolvconf_manager
 	RESTORERESOLVCONF=restore_resolvconf_manager
-elif [ -x /sbin/netconfig-suse ]; then # tool on Suse after 11.1
+elif [ -x /sbin/netconfig-suse ] && [ ! -f /etc/slackware-version ]; then # tool on Suse after 11.1
 	MODIFYRESOLVCONF=modify_resolvconf_suse_netconfig
 	RESTORERESOLVCONF=restore_resolvconf_suse_netconfig
 elif [ -x /sbin/modify_resolvconf ]; then # Mandatory tool on Suse earlier than 11.1