--- a/src/vehicle.cpp Mon Aug 06 06:23:44 2007 +0000 +++ b/src/vehicle.cpp Mon Aug 06 11:58:15 2007 +0000 @@ -2554,6 +2554,7 @@ { assert(IsPlayerBuildableVehicleType(type)); + if (!IsValidPlayer(_current_player)) return false; if (_patches.always_build_infrastructure) return true; UnitID max;