diff --git a/defaults/main.yml b/defaults/main.yml
index 55da89d..63b3e93 100644
--- a/defaults/main.yml
+++ b/defaults/main.yml
@@ -62,7 +62,7 @@ grafana_syslog_facility: daemon
 
 grafana_dashboard_json: 'true'
 
-grafana_additional_plugins: []
+grafana_additional_plugins:
   - name: grafana-clock-panel
   - name: grafana-piechart-panel
   - name: grafana-polystat-panel