diff --git a/Shorewall/configfiles/shorewall.conf b/Shorewall/configfiles/shorewall.conf
index 3479fe3d0..b124e251f 100644
--- a/Shorewall/configfiles/shorewall.conf
+++ b/Shorewall/configfiles/shorewall.conf
@@ -99,7 +99,7 @@ RESTOREFILE=restore
 
 SHOREWALL_SHELL=/bin/sh
 
-SUBSYSLOCK=
+SUBSYSLOCK=/var/lock/subsys/shorewall
 
 TC=