diff --git a/src/models/appointmentConfig.js b/src/models/appointmentConfig.js
index 62f7780d1a..b19c7f4396 100644
--- a/src/models/appointmentConfig.js
+++ b/src/models/appointmentConfig.js
@@ -145,6 +145,7 @@ export default class AppointmentConfig {
 			timeBeforeNextSlot: 0,
 			calendarFreeBusyUris: [],
 			futureLimit: 2 * 30 * 24 * 60 * 60, // 2 months
+			createTalkRoom: true, // opt-out; AppointmentConfigModal clears if !talkEnabled
 		})
 	}