diff --git a/include/linux/magic.h b/include/linux/magic.h
index 156c40f..b78bbf4 100644
--- a/include/linux/magic.h
+++ b/include/linux/magic.h
@@ -3,6 +3,7 @@
 
 #define ADFS_SUPER_MAGIC	0xadf5
 #define AFFS_SUPER_MAGIC	0xadff
+#define AFS_SUPER_MAGIC                0x5346414F
 #define AUTOFS_SUPER_MAGIC	0x0187
 #define CODA_SUPER_MAGIC	0x73757245
 #define EFS_SUPER_MAGIC		0x414A53