diff --git a/fs/bad_inode.c b/fs/bad_inode.c
index 672a319..e172180 100644
--- a/fs/bad_inode.c
+++ b/fs/bad_inode.c
@@ -47,7 +47,7 @@
 	.get_unmapped_area = EIO_ERROR,
 };
 
-struct inode_operations bad_inode_ops =
+static struct inode_operations bad_inode_ops =
 {
 	.create		= EIO_ERROR,
 	.lookup		= EIO_ERROR,