diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c
index 1b039ae29588..5522261a6b6b 100644
--- a/fs/f2fs/file.c
+++ b/fs/f2fs/file.c
@@ -1779,6 +1779,7 @@ do_map:
 
 		if (!(map.m_flags & F2FS_MAP_FLAGS)) {
 			map.m_lblk++;
+			map.m_len--;
 			continue;
 		}