diff --git a/Shorewall/lib.config b/Shorewall/lib.config
index 6df14d733..6bf335c35 100644
--- a/Shorewall/lib.config
+++ b/Shorewall/lib.config
@@ -1853,7 +1853,7 @@ do_initialize() {
     [ -f $VERSION_FILE ] && VERSION=$(cat $VERSION_FILE)
 
     if [ -n "$SHOREWALL_DIR" ]; then
-	SHOREWALL_DIR=(resolve_file $SHOREWALL_DIR)
+	SHOREWALL_DIR=$(resolve_file $SHOREWALL_DIR)
 	CONFIG_PATH=$SHOREWALL_DIR:$CONFIG_PATH
     fi