diff --git a/src/handler/sern.ts b/src/handler/sern.ts
index a1cb934..0986027 100644
--- a/src/handler/sern.ts
+++ b/src/handler/sern.ts
@@ -139,7 +139,7 @@ export interface Wrapper {
 /**
  * @interface - Modules that are used in command files
  */
-export interface Module<T = string> {
+export interface Module<T = void> {
     alias: string[],
     desc: string,
     visibility: Visibility,