diff --git a/services/frontend/pkg/config/defaults/defaultconfig.go b/services/frontend/pkg/config/defaults/defaultconfig.go
index 3ade154055..30341dc332 100644
--- a/services/frontend/pkg/config/defaults/defaultconfig.go
+++ b/services/frontend/pkg/config/defaults/defaultconfig.go
@@ -148,6 +148,7 @@ func DefaultConfig() *config.Config {
 		Groupware: config.Groupware{
 			Enabled: false,
 		},
+		ConfigurableNotifications: true,
 	}
 }