format problem on ARM

/data/gitlab-runner/builds/kRjviDpU/0/ewmscp/ewmscp/src/genericStat.cpp: In static member function ‘static void genericStat::chronoToString(std::__cxx11::string&, const time_point&)’:
/data/gitlab-runner/builds/kRjviDpU/0/ewmscp/ewmscp/src/genericStat.cpp:52:23: warning: format ‘%ld’ expects argument of type ‘long int’, but argument 3 has type ‘std::chrono::duration<long long int, std::ratio<1, 1000000> >::rep’ {aka ‘long long int’} [-Wformat=]
  std::sprintf(buffer, "%06ld", std::chrono::duration_cast<std::chrono::microseconds>(Chrono.time_since_epoch()).count() % 1000000);