diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c
index 8cbfd1caf4be..5356cc3cf1a9 100644
--- a/fs/f2fs/data.c
+++ b/fs/f2fs/data.c
@@ -867,7 +867,7 @@ next_block:
 			}
 			if (err)
 				goto sync_out;
-			map->m_flags = F2FS_MAP_NEW;
+			map->m_flags |= F2FS_MAP_NEW;
 			blkaddr = dn.data_blkaddr;
 		} else {
 			if (flag == F2FS_GET_BLOCK_BMAP) {