diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c
index 465fa9d62485..192bc039194d 100644
--- a/fs/f2fs/data.c
+++ b/fs/f2fs/data.c
@@ -707,7 +707,7 @@ int f2fs_map_blocks(struct inode *inode, struct f2fs_map_blocks *map,
 	}
 
 	prealloc = 0;
-	ofs_in_node = dn.ofs_in_node;
+	last_ofs_in_node = ofs_in_node = dn.ofs_in_node;
 	end_offset = ADDRS_PER_PAGE(dn.node_page, inode);
 
 next_block: