diff --git a/Shorewall-perl/Shorewall/Compiler.pm b/Shorewall-perl/Shorewall/Compiler.pm
index 3d6913d82..6be2a3e31 100644
--- a/Shorewall-perl/Shorewall/Compiler.pm
+++ b/Shorewall-perl/Shorewall/Compiler.pm
@@ -314,10 +314,10 @@ EOF
 
     if ( $capabilities{NAT_ENABLED} ) {
 	emit <<'EOF';
-	delete_nat
-	for chain in PREROUTING POSTROUTING OUTPUT; do
-	    qt $IPTABLES -t nat -P $chain ACCEPT
-	done
+    delete_nat
+    for chain in PREROUTING POSTROUTING OUTPUT; do
+        qt $IPTABLES -t nat -P $chain ACCEPT
+    done
 
 EOF
     }