diff --git a/Shorewall-shell/compiler b/Shorewall-shell/compiler
index c6a79b1a2..a719fcb86 100755
--- a/Shorewall-shell/compiler
+++ b/Shorewall-shell/compiler
@@ -1916,7 +1916,7 @@ __EOF__
 			run_iptables2 -A $chain $state $proto $multiport $cli $sports \
 			$dports $ratelimit $user $mrk -j $target
 	    fi
-	elif [ -n "$srv" -a "$addr" = detect ]; then
+	elif [ -n "$serv" -a "$addr" = detect ]; then
 	    save_command 'done'
 	    save_command ''
 	fi