diff --git a/src/network/network_gui.cpp b/src/network/network_gui.cpp
--- a/src/network/network_gui.cpp
+++ b/src/network/network_gui.cpp
@@ -1617,7 +1617,7 @@ static void ClientListWndProc(Window *w,
 
 void ShowClientList()
 {
-	AllocateWindowDescFront(&_client_list_desc, 0);
+	AllocateWindowDescFront<Window>(&_client_list_desc, 0);
 }