diff --git a/roles/simple-koji-ci/templates/simple_koji_ci.py b/roles/simple-koji-ci/templates/simple_koji_ci.py
index 76bfca6c3c..c5a9fb196f 100644
--- a/roles/simple-koji-ci/templates/simple_koji_ci.py
+++ b/roles/simple-koji-ci/templates/simple_koji_ci.py
@@ -7,7 +7,7 @@ config = {
         # Kerberos configuration to authenticate with Koji. In development
         # environments, use `kinit <fas-name>@FEDORAPROJECT.ORG` to get a
         # Kerberos ticket and use the default settings below.
-        'krb_principal': None,
+        'krb_principal': 'simple-koji-ci/simple-koji-ci-dev.fedorainfracloud.org@FEDORAPROJECT.ORG',
         'krb_keytab': 'krb5.simple-koji-ci_simple-koji-ci-dev.fedorainfracloud.org.keytab',
         'krb_ccache': None,
         'krb_proxyuser': None,