diff --git a/src/command.ts b/src/command.ts
index bef7ea9f0..86380b2d3 100644
--- a/src/command.ts
+++ b/src/command.ts
@@ -211,7 +211,9 @@ export abstract class Command {
     return Errors.error(input, options as any)
   }
 
-  public exit(code = 0): never {
+  public exit(code: number): never
+  public exit(code: 0): void
+  public exit(code = 0): void | never {
     Errors.exit(code)
   }