diff --git a/packages/backend/src/core/GlobalEventService.ts b/packages/backend/src/core/GlobalEventService.ts
index cc8bff83bf..d175f21f2f 100644
--- a/packages/backend/src/core/GlobalEventService.ts
+++ b/packages/backend/src/core/GlobalEventService.ts
@@ -79,9 +79,9 @@ export interface MainEventTypes {
 	myTokenRegenerated: undefined;
 	signin: {
 		id: MiSignin['id'];
-		createAt: Date;
+		createdAt: string;
 		ip: string;
-		headers: any;
+		headers: Record<string, any>;
 		success: boolean;
 	};
 	registryUpdated: {