diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c
index eaa5db60865a..a809a8058985 100644
--- a/fs/ext4/mballoc.c
+++ b/fs/ext4/mballoc.c
@@ -5874,6 +5874,7 @@ static ext4_fsblk_t ext4_mb_new_blocks_simple(handle_t *handle,
 {
 	struct buffer_head *bitmap_bh;
 	struct super_block *sb = ar->inode->i_sb;
+	struct ext4_sb_info *sbi = EXT4_SB(sb);
 	ext4_group_t group;
 	ext4_grpblk_t blkoff;
 	ext4_grpblk_t max = EXT4_CLUSTERS_PER_GROUP(sb);
@@ -5902,7 +5903,8 @@ static ext4_fsblk_t ext4_mb_new_blocks_simple(handle_t *handle,
 			if (i >= max)
 				break;
 			if (ext4_fc_replay_check_excluded(sb,
-				ext4_group_first_block_no(sb, group) + i)) {
+				ext4_group_first_block_no(sb, group) +
+				EXT4_C2B(sbi, i))) {
 				blkoff = i + 1;
 			} else
 				break;
@@ -5919,7 +5921,7 @@ static ext4_fsblk_t ext4_mb_new_blocks_simple(handle_t *handle,
 		return 0;
 	}
 
-	block = ext4_group_first_block_no(sb, group) + i;
+	block = ext4_group_first_block_no(sb, group) + EXT4_C2B(sbi, i);
 	ext4_mb_mark_bb(sb, block, 1, 1);
 	ar->len = 1;