diff --git a/module/zfs/vdev_disk.c b/module/zfs/vdev_disk.c
index db765c57bb35..e28b7a49539b 100644
--- a/module/zfs/vdev_disk.c
+++ b/module/zfs/vdev_disk.c
@@ -126,10 +126,7 @@ bdev_max_capacity(struct block_device *bdev, uint64_t wholedisk)
 		available = i_size_read(bdev->bd_contains->bd_inode) -
 		    ((EFI_MIN_RESV_SIZE + NEW_START_BLOCK +
 		    PARTITION_END_ALIGNMENT) << SECTOR_BITS);
-		if (available > 0)
-			psize = available;
-		else
-			psize = bdev_capacity(bdev);
+		psize = MAX(available, bdev_capacity(bdev));
 	} else {
 		psize = bdev_capacity(bdev);
 	}