diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c
index dc33b4e5c07b..9e6c4a475d6d 100644
--- a/fs/f2fs/segment.c
+++ b/fs/f2fs/segment.c
@@ -3698,8 +3698,8 @@ void f2fs_do_replace_block(struct f2fs_sb_info *sbi, struct f2fs_summary *sum,
 		}
 	}
 
-	f2fs_bug_on(sbi, !IS_DATASEG(type));
 	curseg = CURSEG_I(sbi, type);
+	f2fs_bug_on(sbi, !IS_DATASEG(curseg->seg_type));
 
 	mutex_lock(&curseg->curseg_mutex);
 	down_write(&sit_i->sentry_lock);