diff --git a/fs/hostfs/hostfs_kern.c b/fs/hostfs/hostfs_kern.c
index 95b9c87cb24a3ac3ce76c7deda6b53bc0237b90f..f2372ef80850f879c4b66ab2135b8975d7f85d69 100644
--- a/fs/hostfs/hostfs_kern.c
+++ b/fs/hostfs/hostfs_kern.c
@@ -7,6 +7,7 @@
  */
 
 #include <linux/fs.h>
+#include <linux/magic.h>
 #include <linux/module.h>
 #include <linux/mm.h>
 #include <linux/pagemap.h>
@@ -45,8 +46,6 @@ static const struct dentry_operations hostfs_dentry_ops = {
 static char *root_ino = "";
 static int append = 0;
 
-#define HOSTFS_SUPER_MAGIC 0x00c0ffee
-
 static const struct inode_operations hostfs_iops;
 static const struct inode_operations hostfs_dir_iops;
 static const struct inode_operations hostfs_link_iops;
diff --git a/include/uapi/linux/magic.h b/include/uapi/linux/magic.h
index 249df3720be2601d23220a20b37c034350c54c95..2944278a8ba7e933e64c53c4cfe593bb9a328b84 100644
--- a/include/uapi/linux/magic.h
+++ b/include/uapi/linux/magic.h
@@ -30,6 +30,7 @@
 #define JFFS2_SUPER_MAGIC	0x72b6
 #define PSTOREFS_MAGIC		0x6165676C
 #define EFIVARFS_MAGIC		0xde5e81e4
+#define HOSTFS_SUPER_MAGIC	0x00c0ffee
 
 #define MINIX_SUPER_MAGIC	0x137F		/* minix v1 fs, 14 char names */
 #define MINIX_SUPER_MAGIC2	0x138F		/* minix v1 fs, 30 char names */