diff --git a/src/ScreenPrompt.h b/src/ScreenPrompt.h
index e5ae97bc8b..0273f230f7 100644
--- a/src/ScreenPrompt.h
+++ b/src/ScreenPrompt.h
@@ -35,6 +35,9 @@ public:
 	static PromptAnswer s_LastAnswer;
 	static bool s_bCancelledLast;
 
+	// Lua
+	//virtual void PushSelf( lua_State *L );
+
 protected:
 	bool CanGoLeft() { return m_Answer > 0; }
 	bool CanGoRight();