diff --git a/drivers/block/mg_disk.c b/drivers/block/mg_disk.c
index d3e72ad..f389835 100644
--- a/drivers/block/mg_disk.c
+++ b/drivers/block/mg_disk.c
@@ -79,7 +79,7 @@
 			if (host->breq) {
 				req = elv_next_request(host->breq);
 				if (req)
-					printk(", sector=%ld", req->sector);
+					printk(", sector=%u", (u32)req->sector);
 			}
 
 		}