diff --git a/fs/ext4/balloc.c b/fs/ext4/balloc.c
index b430afe77f0cec7bb550fb6466bd878945572aed..a40b1f96c02122a6b1a08f6f8ea34401ef34a155 100644
--- a/fs/ext4/balloc.c
+++ b/fs/ext4/balloc.c
@@ -305,7 +305,7 @@ struct ext4_group_desc * ext4_get_group_desc(struct super_block *sb,
  */
 static ext4_fsblk_t ext4_valid_block_bitmap(struct super_block *sb,
 					    struct ext4_group_desc *desc,
-					    unsigned int block_group,
+					    ext4_group_t block_group,
 					    struct buffer_head *bh)
 {
 	ext4_grpblk_t offset;
@@ -352,7 +352,7 @@ static ext4_fsblk_t ext4_valid_block_bitmap(struct super_block *sb,
 
 void ext4_validate_block_bitmap(struct super_block *sb,
 			       struct ext4_group_desc *desc,
-			       unsigned int block_group,
+			       ext4_group_t block_group,
 			       struct buffer_head *bh)
 {
 	ext4_fsblk_t	blk;
diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h
index 28896655ad41873e45ad15bf594f184ddb9d5c4c..2e5818267565f0f16b99859d35bace7e8d3deace 100644
--- a/fs/ext4/ext4.h
+++ b/fs/ext4/ext4.h
@@ -1930,7 +1930,7 @@ extern ext4_group_t ext4_get_group_number(struct super_block *sb,
 
 extern void ext4_validate_block_bitmap(struct super_block *sb,
 				       struct ext4_group_desc *desc,
-				       unsigned int block_group,
+				       ext4_group_t block_group,
 				       struct buffer_head *bh);
 extern unsigned int ext4_block_group(struct super_block *sb,
 			ext4_fsblk_t blocknr);