diff --git a/drivers/net/ni65.c b/drivers/net/ni65.c
index 340ad0d..1578f4d 100644
--- a/drivers/net/ni65.c
+++ b/drivers/net/ni65.c
@@ -1259,7 +1259,7 @@
 	return IS_ERR(dev_ni65) ? PTR_ERR(dev_ni65) : 0;
 }
 
-void cleanup_module(void)
+void __exit cleanup_module(void)
 {
  	unregister_netdev(dev_ni65);
  	cleanup_card(dev_ni65);