diff --git a/fs/file_table.c b/fs/file_table.c
index 664e3f2..2022a04 100644
--- a/fs/file_table.c
+++ b/fs/file_table.c
@@ -302,6 +313,9 @@ void put_filp(struct file *file)
 		file_free(file);
 	}
 }
+#ifdef CONFIG_AUFS_PUT_FILP_PATCH
+EXPORT_SYMBOL(put_filp);
+#endif
 
 void file_move(struct file *file, struct list_head *list)
 {