diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c
index 8b9c1734d807..8f428a8ab003 100644
--- a/drivers/block/rbd.c
+++ b/drivers/block/rbd.c
@@ -977,7 +977,7 @@ static void rbd_req_cb(struct ceph_osd_request *req, struct ceph_msg *msg)
 	op = (void *)(replyhead + 1);
 	rc = le32_to_cpu(replyhead->result);
 	bytes = le64_to_cpu(op->extent.length);
-	read_op = (le32_to_cpu(op->op) == CEPH_OSD_OP_READ);
+	read_op = (le16_to_cpu(op->op) == CEPH_OSD_OP_READ);
 
 	dout("rbd_req_cb bytes=%lld readop=%d rc=%d\n", bytes, read_op, rc);