--- a/src/ai/api/ai_engine.cpp	Tue Apr 15 22:29:00 2008 +0000
+++ b/src/ai/api/ai_engine.cpp	Tue Apr 15 22:34:49 2008 +0000
@@ -141,7 +141,7 @@
 	}
 }
 
-/* static */ int32 AIEngine::GetPrice(EngineID engine_id)
+/* static */ Money AIEngine::GetPrice(EngineID engine_id)
 {
 	if (!IsValidEngine(engine_id)) return -1;