diff --git a/ansible/roles/monasca/tasks/post_config.yml b/ansible/roles/monasca/tasks/post_config.yml
index d06654036c65f9cb00a1fa63aff22e54832693c9..dbe7b2906b8985deea72b701eb6c51fcfc43bb51 100644
--- a/ansible/roles/monasca/tasks/post_config.yml
+++ b/ansible/roles/monasca/tasks/post_config.yml
@@ -115,6 +115,6 @@
   changed_when: monasca_grafana_datasource_response.status == 200
   failed_when: monasca_grafana_datasource_response.status not in [200, 409] or
                (monasca_grafana_datasource_response.status == 409 and
-               ("Data source with same name already exists" not in  monasca_grafana_datasource_response.json.message|default(""))
+               "Data source with same name already exists" not in monasca_grafana_datasource_response.json.message|default(""))
   with_dict: "{{ monasca_grafana_data_sources }}"
   when: item.value.enabled | bool