diff --git a/Shorewall6-lite/shorecap b/Shorewall6-lite/shorecap
index d95df126a..2e25f55f8 100755
--- a/Shorewall6-lite/shorecap
+++ b/Shorewall6-lite/shorecap
@@ -58,7 +58,7 @@ g_product="Shorewall Lite"
 
 SHOREWALL_VERSION=$(cat /usr/share/shorewall6-lite/version)
 
-[ -n "$IPTABLES" ] || IPTABLES=$(mywhich iptables)
+[ -n "$IP6TABLES" ] || IP6TABLES=$(mywhich iptables)
 
 VERBOSITY=0
 load_kernel_modules No