diff --git a/src/engine_gui.cpp b/src/engine_gui.cpp
--- a/src/engine_gui.cpp
+++ b/src/engine_gui.cpp
@@ -161,7 +161,7 @@ static StringID GetTrainEngineInfoString
 	} else {
 		SetDParam(5, CT_INVALID);
 	}
-	return (_settings_game.vehicle.train_acceleration_model != TAM_ORIGINAL && e->u.rail.railtype != RAILTYPE_MAGLEV) ? STR_ENGINE_PREVIEW_COST_WEIGHT_SPEED_POWER_MAX_TE : STR_ENGINE_PREVIEW_COST_WEIGHT_SPEED_POWER;
+	return (_settings_game.vehicle.train_acceleration_model != TAM_ORIGINAL && GetRailTypeInfo(e->u.rail.railtype)->acceleration_type != 2) ? STR_ENGINE_PREVIEW_COST_WEIGHT_SPEED_POWER_MAX_TE : STR_ENGINE_PREVIEW_COST_WEIGHT_SPEED_POWER;
 }
 
 static StringID GetAircraftEngineInfoString(const Engine *e)