diff --git a/roles/copr/backend/templates/provision/copr-rpmbuild/main.ini.j2 b/roles/copr/backend/templates/provision/copr-rpmbuild/main.ini.j2
index bcd33e9fd7..08a233d735 100644
--- a/roles/copr/backend/templates/provision/copr-rpmbuild/main.ini.j2
+++ b/roles/copr/backend/templates/provision/copr-rpmbuild/main.ini.j2
@@ -1,5 +1,5 @@
 [main]
-frontend_url = {{ frontend_base_url }}
+frontend_url = {{ frontend_base_url or "unset" }}
 distgit_lookaside_url = {scheme}://{netloc}/repo/pkgs/%(ns1)s/%(name)s/%(filename)s/%(hashtype)s/%(hash)s/%(filename)s
 distgit_clone_url = {scheme}://{netloc}/%(module)s
 rpm_vendor_copr_name = {{rpm_vendor_copr_name}}