diff --git a/drivers/md/dm.h b/drivers/md/dm.h
index ab078a249396..95a0cfbe5b4d 100644
--- a/drivers/md/dm.h
+++ b/drivers/md/dm.h
@@ -28,7 +28,7 @@
  * in types.h.
  */
 #ifdef CONFIG_LBD
-#define SECTOR_FORMAT "%Lu"
+#define SECTOR_FORMAT "%llu"
 #else
 #define SECTOR_FORMAT "%lu"
 #endif