diff --git a/src/window.cpp b/src/window.cpp
index e5628a3def..e645753015 100644
--- a/src/window.cpp
+++ b/src/window.cpp
@@ -90,6 +90,13 @@ void Window::InvalidateWidget(byte widget_index) const
 	SetDirtyBlocks(this->left + wi->left, this->top + wi->top, this->left + wi->right + 1, this->top + wi->bottom + 1);
 }
 
+void Window::HandleButtonClick(byte widget)
+{
+	this->LowerWidget(widget);
+	this->flags4 |= 5 << WF_TIMEOUT_SHL;
+	this->InvalidateWidget(widget);
+}
+
 void HandleButtonClick(Window *w, byte widget)
 {
 	w->LowerWidget(widget);
diff --git a/src/window.h b/src/window.h
index 137d99804f..f2b910ceaf 100644
--- a/src/window.h
+++ b/src/window.h
@@ -279,6 +279,8 @@ struct Window {
 	Window *parent;
 	byte custom[WINDOW_CUSTOM_SIZE];
 
+	void HandleButtonClick(byte widget);
+
 	void SetWidgetDisabledState(byte widget_index, bool disab_stat);
 	void DisableWidget(byte widget_index);
 	void EnableWidget(byte widget_index);