diff --git a/roles/koji_builder/templates/builders/site-defaults.cfg b/roles/koji_builder/templates/builders/site-defaults.cfg
index 6eeebcc4c6..0044aebe8b 100644
--- a/roles/koji_builder/templates/builders/site-defaults.cfg
+++ b/roles/koji_builder/templates/builders/site-defaults.cfg
@@ -6,5 +6,5 @@ config_opts['nosync'] = True
 config_opts['nosync_force'] = True
 config_opts['environment']['LANG'] = 'C.UTF-8'
 config_opts['use_bootstrap'] = True
-config_opts['yum_install_command'] += " --disablerepo=rhel7-server-devtools"
+config_opts['yum_install_command'] += " -x devtoolset*"
 config_opts['dnf_warning'] = False