@@ -93,7 +93,7 @@ static void _DoCommandReturnBuildTunnel1
/* For rail we do nothing special */
return ScriptObject::Command<CMD_BUILD_TUNNEL>::Do(start, TRANSPORT_RAIL, ScriptRail::GetCurrentRailType());
} else {
ScriptObject::SetCallbackVariable(0, start);
ScriptObject::SetCallbackVariable(0, static_cast<uint32_t>(start));
return ScriptObject::Command<CMD_BUILD_TUNNEL>::Do(&::_DoCommandReturnBuildTunnel1, start, TRANSPORT_ROAD, ScriptRoad::GetCurrentRoadType());
}