diff --git a/packages/shell/src/red/types/redIpc.ts b/packages/shell/src/red/types/redIpc.ts
index 6e19499..34fda5b 100644
--- a/packages/shell/src/red/types/redIpc.ts
+++ b/packages/shell/src/red/types/redIpc.ts
@@ -3,7 +3,7 @@ export type RedIpcArgs = [RedIpcEvent, RedIpcData]
 export interface RedIpcEvent {
   type: 'request' | 'response'
   eventName: string
-  callbackId?: string | number
+  callbackId?: string
   promiseStatue?: 'full'
 }