diff --git a/Shorewall-init/install.sh b/Shorewall-init/install.sh
index 8ceff3da4..64950218c 100755
--- a/Shorewall-init/install.sh
+++ b/Shorewall-init/install.sh
@@ -99,6 +99,8 @@ PRODUCT=shorewall-init
 #
 # Parse the run line
 #
+T='-T'
+
 finished=0
 
 while [ $finished -eq 0 ] ; do