diff --git a/src/ai/ai_gui.cpp b/src/ai/ai_gui.cpp
index 088d53c5c8..6b6e042804 100644
--- a/src/ai/ai_gui.cpp
+++ b/src/ai/ai_gui.cpp
@@ -173,6 +173,7 @@ struct AIListWindow : public Window {
 			GetConfig(slot)->Change((*it).second->GetName(), (*it).second->GetVersion());
 		}
 		InvalidateWindowData(WC_GAME_OPTIONS, WN_GAME_OPTIONS_AI);
+		InvalidateWindowClassesData(WC_AI_SETTINGS);
 	}
 
 	virtual void OnClick(Point pt, int widget, int click_count)