diff --git a/fs/internal.h b/fs/internal.h
index ba0737649d4a2..3958878823156 100644
--- a/fs/internal.h
+++ b/fs/internal.h
@@ -156,7 +156,7 @@ extern void mnt_pin_kill(struct mount *m);
 /*
  * fs/nsfs.c
  */
-extern struct dentry_operations ns_dentry_operations;
+extern const struct dentry_operations ns_dentry_operations;
 
 /*
  * fs/ioctl.c