diff --git a/roles/koji_builder/templates/kojid.conf b/roles/koji_builder/templates/kojid.conf
index 26fc6ec6fe..8d15f3bfe9 100644
--- a/roles/koji_builder/templates/kojid.conf
+++ b/roles/koji_builder/templates/kojid.conf
@@ -33,10 +33,10 @@ failed_buildroot_lifetime=86400
 failed_buildroot_lifetime=14400
 {% endif %}
 
-{% if host in groups['buildvm_s390x'] and not in groups['buildvm_s390x_rdu'] %}
+{% if host in groups['buildvm_s390x'] and host not in groups['buildvm_s390x_rdu'] %}
 # s390x builders in bos use two local varnish cache instances
 topurl = http://kojipkgs-cache01.s390.fedoraproject.org http://kojipkgs-cache02.s390.fedoraproject.org
-{% elif host in groups['buildvm_s390x'] and in groups['buildvm_s390x_rdu'] %}
+{% elif host in groups['buildvm_s390x'] and host in groups['buildvm_s390x_rdu'] %}
 # s390x builders in rdu use a local varnish cache instance
 topurl = http://kojipkgs-cache03.s390.fedoraproject.org
 {% elif host in groups['buildvm_s390x_stg'] %}