diff --git a/security/smack/smackfs.c b/security/smack/smackfs.c
index 2479a41a7dff3e34be79ce7f46031a18119a9515..53a08b85bda4837936339f7158474994af8a7ba6 100644
--- a/security/smack/smackfs.c
+++ b/security/smack/smackfs.c
@@ -26,6 +26,7 @@
 #include <linux/seq_file.h>
 #include <linux/ctype.h>
 #include <linux/audit.h>
+#include <linux/magic.h>
 #include "smack.h"
 
 /*