diff --git a/roles/httpd/reverseproxy/tasks/main.yml b/roles/httpd/reverseproxy/tasks/main.yml
index 152116f6ce..78fc3b0b2f 100644
--- a/roles/httpd/reverseproxy/tasks/main.yml
+++ b/roles/httpd/reverseproxy/tasks/main.yml
@@ -9,7 +9,7 @@
 - name: Set OpenShift information if not preconfigured
   set_fact:
     balancer_members: "{{ openshift_nodes }}"
-  when: 'targettype == "openshift" and not defined balancer_members'
+  when: 'targettype == "openshift" and balancer_members not defined'
 
 - name: Copy in ProxyPassReverse for {{destname}} ({{website}}{{remotepath}})
   template: >