diff --git a/security/smack/smack_lsm.c b/security/smack/smack_lsm.c
index d55b991268d5..7db62b48eb42 100644
--- a/security/smack/smack_lsm.c
+++ b/security/smack/smack_lsm.c
@@ -35,6 +35,7 @@
 #include <linux/audit.h>
 #include <linux/magic.h>
 #include <linux/dcache.h>
+#include <linux/personality.h>
 #include "smack.h"
 
 #define task_security(task)	(task_cred_xxx((task), security))