diff --git a/security/smack/smackfs.c b/security/smack/smackfs.c
index 11b752b..c20b154 100644
--- a/security/smack/smackfs.c
+++ b/security/smack/smackfs.c
@@ -139,7 +139,7 @@
 	struct smack_rule	*smk_rule;
 };
 
-LIST_HEAD(smack_rule_list);
+static LIST_HEAD(smack_rule_list);
 
 struct smack_parsed_rule {
 	struct smack_known	*smk_subject;