diff --git a/src/network/network_chat_gui.cpp b/src/network/network_chat_gui.cpp
index c044bcfcac..c0559af659 100644
--- a/src/network/network_chat_gui.cpp
+++ b/src/network/network_chat_gui.cpp
@@ -514,6 +514,13 @@ static const NWidgetPart _nested_chat_window_widgets[] = {
 	EndContainer(),
 };
 
+static const WindowDesc _chat_window_desc(
+	WDP_CENTER, -26, 320, 14, 640, 14, // x, y, width, height
+	WC_SEND_NETWORK_MSG, WC_NONE,
+	WDF_STD_TOOLTIPS | WDF_DEF_WIDGET,
+	_chat_window_widgets, _nested_chat_window_widgets, lengthof(_nested_chat_window_widgets)
+);
+
 void ShowNetworkChatQueryWindow(DestType type, int dest)
 {
 	DeleteWindowById(WC_SEND_NETWORK_MSG, 0);