diff --git a/headers/private/net/net_datalink.h b/headers/private/net/net_datalink.h
index d4038f042c..2f324a912e 100644
--- a/headers/private/net/net_datalink.h
+++ b/headers/private/net/net_datalink.h
@@ -69,8 +69,8 @@ struct net_datalink_module_info {
 
 	bool (*is_local_address)(struct net_domain *domain, 
 					const struct sockaddr *address,
-					net_interface **_interface /* = NULL */, 
-					uint32 *_matchedType /* = NULL*/);
+					net_interface **_interface, 
+					uint32 *_matchedType);
 
 	// routes
 	status_t (*add_route)(struct net_domain *domain,
diff --git a/src/add-ons/kernel/network/stack/datalink.cpp b/src/add-ons/kernel/network/stack/datalink.cpp
index f35f681cc0..83d5104192 100644
--- a/src/add-ons/kernel/network/stack/datalink.cpp
+++ b/src/add-ons/kernel/network/stack/datalink.cpp
@@ -379,7 +379,7 @@ datalink_send_data(struct net_route *route, net_buffer *buffer)
 
 
 bool
-is_local_address(net_domain *_domain, const struct sockaddr *address, 
+datalink_is_local_address(net_domain *_domain, const struct sockaddr *address, 
 	net_interface **_interface, uint32 *_matchedType)
 {
 	net_domain_private *domain = (net_domain_private *)_domain;
@@ -723,8 +723,7 @@ net_datalink_module_info gNetDatalinkModule = {
 
 	datalink_control,
 	datalink_send_data,
-	
-	is_local_address,
+	datalink_is_local_address,
 
 	add_route,
 	remove_route,