diff --git a/src/add-ons/kernel/network/stack/domains.cpp b/src/add-ons/kernel/network/stack/domains.cpp
index 2f64fa66d6..16dc3f5ba0 100644
--- a/src/add-ons/kernel/network/stack/domains.cpp
+++ b/src/add-ons/kernel/network/stack/domains.cpp
@@ -242,6 +242,8 @@ remove_interface_from_domain(net_interface* interface)
 {
 	net_domain_private* domain = (net_domain_private*)interface->domain;
 
+	invalidate_routes(domain, interface);
+
 	list_remove_item(&domain->interfaces, interface);
 	notify_interface_removed(interface);
 	delete_interface((net_interface_private*)interface);
diff --git a/src/add-ons/kernel/network/stack/routes.h b/src/add-ons/kernel/network/stack/routes.h
index b0fa93e419..60c1f37abc 100644
--- a/src/add-ons/kernel/network/stack/routes.h
+++ b/src/add-ons/kernel/network/stack/routes.h
@@ -1,5 +1,5 @@
 /*
- * Copyright 2006-2009, Haiku, Inc. All Rights Reserved.
+ * Copyright 2006-2010, Haiku, Inc. All Rights Reserved.
  * Distributed under the terms of the MIT License.
  *
  * Authors:
@@ -40,7 +40,7 @@ status_t remove_route(struct net_domain* domain,
 				const struct net_route* route);
 status_t get_route_information(struct net_domain* domain, void* buffer,
 				size_t length);
-void invalidate_routes(net_domain* , net_interface* );
+void invalidate_routes(net_domain* domain, net_interface* interface);
 struct net_route* get_route(struct net_domain* domain,
 				const struct sockaddr* address);
 status_t get_device_route(struct net_domain* domain, uint32 index,