diff --git a/roles/copr/backend/files/provision/files/mock/site-defaults.cfg b/roles/copr/backend/files/provision/files/mock/site-defaults.cfg
index f1b3e9eb4e..73d005caaf 100644
--- a/roles/copr/backend/files/provision/files/mock/site-defaults.cfg
+++ b/roles/copr/backend/files/provision/files/mock/site-defaults.cfg
@@ -28,3 +28,5 @@ config_opts['plugin_conf']['chroot_scan_opts'] = {
     'regexes': [ "dnf.*log$" ],
     'only_failed': False,
 }
+
+config_opts['yum_install_command'] = 'install yum yum-utils shadow-utils distribution-gpg-keys elfutils-libelf'