diff --git a/web/app/components/workflow/nodes/trigger-schedule/types.ts b/web/app/components/workflow/nodes/trigger-schedule/types.ts
index bec5486b60..bb0d1abc3c 100644
--- a/web/app/components/workflow/nodes/trigger-schedule/types.ts
+++ b/web/app/components/workflow/nodes/trigger-schedule/types.ts
@@ -13,7 +13,7 @@ export type VisualConfig = {
 
 export type ScheduleTriggerNodeType = CommonNodeType & {
   mode: ScheduleMode
-  frequency: ScheduleFrequency
+  frequency?: ScheduleFrequency
   cron_expression?: string
   visual_config?: VisualConfig
   timezone: string