1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/md/md.c b/drivers/md/md.c
index ef3ad99562c1..65fab74ad737 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -847,7 +847,7 @@ static int super_1_load(mdk_rdev_t *rdev, mdk_rdev_t *refdev, int minor_version)
         case 0:
                 sb_offset = rdev->bdev->bd_inode->i_size >> 9;
                 sb_offset -= 8*2;
-                sb_offset &= ~(4*2-1);
+                sb_offset &= ~(sector_t)(4*2-1);
                 /* convert from sectors to K */
                 sb_offset /= 2;
                 break;