diff -Naur iptables-1.4.2.orig/extensions/libxt_owner.c iptables-1.4.2/extensions/libxt_owner.c
--- iptables-1.4.2.orig/extensions/libxt_owner.c	2008-10-08 20:31:58.000000000 +0400
+++ iptables-1.4.2/extensions/libxt_owner.c	2009-01-16 02:00:18.000000000 +0300
@@ -324,7 +324,7 @@
 		return;
 	if (info->invert & flag)
 		printf("! ");
-	printf(label);
+	printf("%s ",label);
 
 	switch (info->match & flag) {
 	case IPT_OWNER_UID:
@@ -375,7 +375,7 @@
 		return;
 	if (info->invert & flag)
 		printf("! ");
-	printf(label);
+	printf("%s ",label);
 
 	switch (info->match & flag) {
 	case IP6T_OWNER_UID: