diff --git a/calendar/js/CalendarOwner.ts b/calendar/js/CalendarOwner.ts
index c3a53f68f2..9f69c11c7b 100644
--- a/calendar/js/CalendarOwner.ts
+++ b/calendar/js/CalendarOwner.ts
@@ -65,6 +65,7 @@ export class CalendarOwner extends Et2StaticSelectMixin(Et2Select)
 		else
 		{
 			fetch.push(this.egw().accounts('accounts').then(options => {this.static_options = this.static_options.concat(cleanSelectOptions(options))}));
+			fetch.push(this.egw().accounts('groups').then(options => {this.static_options = this.static_options.concat(cleanSelectOptions(options))}));
 		}
 		this.fetchComplete = Promise.all(fetch)
 			.then(() => this._renderOptions());