diff --git a/index.d.ts b/index.d.ts
index de19515..2fbc653 100644
--- a/index.d.ts
+++ b/index.d.ts
@@ -285,7 +285,7 @@ declare class Emittery<
 	static mixin(
 		emitteryPropertyName: string | symbol,
 		methodNames?: readonly string[]
-	): <T extends {new (): any}>(klass: T) => T; // eslint-disable-line @typescript-eslint/prefer-function-type
+	): <T extends {new (...arguments_: any[]): any}>(klass: T) => T; // eslint-disable-line @typescript-eslint/prefer-function-type
 
 	/**
 	Subscribe to one or more events.