diff --git a/block/bsg.c b/block/bsg.c
index b8ddfc66..8e181ab 100644
--- a/block/bsg.c
+++ b/block/bsg.c
@@ -908,7 +908,7 @@
 	}
 }
 
-static struct file_operations bsg_fops = {
+static const struct file_operations bsg_fops = {
 	.read		=	bsg_read,
 	.write		=	bsg_write,
 	.poll		=	bsg_poll,