diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c
index b03f65e5dfdc8ae013f0751245d07a87750da351..f2842a8a13411396cb9111293ca5792bdef242cf 100644
--- a/fs/f2fs/segment.c
+++ b/fs/f2fs/segment.c
@@ -2739,6 +2739,7 @@ void __f2fs_replace_block(struct f2fs_sb_info *sbi, struct f2fs_summary *sum,
 		}
 	}
 
+	f2fs_bug_on(sbi, !IS_DATASEG(type));
 	curseg = CURSEG_I(sbi, type);
 
 	mutex_lock(&curseg->curseg_mutex);