diff --git a/testcode/fake_event.c b/testcode/fake_event.c
index 591557c35..867ee51e3 100644
--- a/testcode/fake_event.c
+++ b/testcode/fake_event.c
@@ -1627,7 +1627,8 @@ int create_udp_sock(int ATTR_UNUSED(family), int ATTR_UNUSED(socktype),
 struct comm_point* comm_point_create_udp(struct comm_base *ATTR_UNUSED(base),
 	int ATTR_UNUSED(fd), sldns_buffer* ATTR_UNUSED(buffer),
 	comm_point_callback_type* ATTR_UNUSED(callback),
-	void* ATTR_UNUSED(callback_arg))
+	void* ATTR_UNUSED(callback_arg),
+	struct unbound_socket* ATTR_UNUSED(socket))
 {
 	log_assert(0);
 	return NULL;