diff --git a/packages/core/strapi/lib/types/core/common/controller.d.ts b/packages/core/strapi/lib/types/core/common/controller.d.ts
index 971a4c8d15..24b55beaf1 100644
--- a/packages/core/strapi/lib/types/core/common/controller.d.ts
+++ b/packages/core/strapi/lib/types/core/common/controller.d.ts
@@ -3,6 +3,6 @@ import type koa from 'koa';
 export type ControllerHandler = <T>(
   context: koa.ExtendableContext,
   next: koa.Next
-) => Promise<T> | T;
+) => Promise<T | void> | T | void;
 
 export type Controller = Record<string, ControllerHandler>;