diff --git a/fs/f2fs/segment.h b/fs/f2fs/segment.h
index 979296b835b5..665e0e186687 100644
--- a/fs/f2fs/segment.h
+++ b/fs/f2fs/segment.h
@@ -371,7 +371,8 @@ static inline unsigned int get_ckpt_valid_blocks(struct f2fs_sb_info *sbi,
 				unsigned int segno, bool use_section)
 {
 	if (use_section && __is_large_section(sbi)) {
-		unsigned int start_segno = START_SEGNO(segno);
+		unsigned int secno = GET_SEC_FROM_SEG(sbi, segno);
+		unsigned int start_segno = GET_SEG_FROM_SEC(sbi, secno);
 		unsigned int blocks = 0;
 		int i;