diff --git a/fs/bfs/file.c b/fs/bfs/file.c
index a9164a8..ef4d1fa 100644
--- a/fs/bfs/file.c
+++ b/fs/bfs/file.c
@@ -164,4 +164,4 @@
 	.bmap		= bfs_bmap,
 };
 
-struct inode_operations bfs_file_inops;
+const struct inode_operations bfs_file_inops;