diff --git a/types/sade/index.d.ts b/types/sade/index.d.ts
index ac83538624..413b26b595 100644
--- a/types/sade/index.d.ts
+++ b/types/sade/index.d.ts
@@ -6,14 +6,14 @@
 
 import * as mri from 'mri';
 
-type Handler = (...args: any[]) => void;
-
 /**
  * Sade is a small but powerful tool for building command-line interface (CLI) applications for Node.js that are fast, responsive, and helpful!
  * It enables default commands, git-like subcommands, option flags with aliases, default option values with type-casting,
  * required-vs-optional argument handling, command validation, and automated help text generation!
  */
 declare namespace sade {
+    type Handler = (...args: any[]) => any;
+
     interface CommandOptions {
         /**
          * Optionally define one or more aliases for the current Command.