diff --git a/fs/ext4/move_extent.c b/fs/ext4/move_extent.c
index 146f8cd627b2..2423b0068183 100644
--- a/fs/ext4/move_extent.c
+++ b/fs/ext4/move_extent.c
@@ -1037,6 +1037,7 @@ move_extent_per_page(struct file *o_filp, struct inode *donor_inode,
 		*err = ext4_get_block(orig_inode, orig_blk_offset + i, bh, 0);
 		if (*err < 0)
 			break;
+		bh = bh->b_this_page;
 	}
 	if (!*err)
 		*err = block_commit_write(pagep[0], from, from + replaced_size);