curl in FileLoader fails with certificate error

Info in <TGeoManager::SetTopVolume>: Top volume is world_volume. Master volume is world_volume
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
  0     0    0     0    0     0      0      0 --:--:-- --:--:-- --:--:--     0
curl: (77) error setting certificate verify locations:  CAfile: /etc/pki/tls/certs/ca-bundle.crt CApath: none