diff --git a/fs/block_dev.c b/fs/block_dev.c
index 71e7e03..5d1ed50 100644
--- a/fs/block_dev.c
+++ b/fs/block_dev.c
@@ -1114,7 +1114,7 @@
 int check_disk_change(struct block_device *bdev)
 {
 	struct gendisk *disk = bdev->bd_disk;
-	struct block_device_operations * bdops = disk->fops;
+	const struct block_device_operations *bdops = disk->fops;
 
 	if (!bdops->media_changed)
 		return 0;