diff --git a/types/xml2js/index.d.ts b/types/xml2js/index.d.ts
index 248f29814b..42fc669da4 100644
--- a/types/xml2js/index.d.ts
+++ b/types/xml2js/index.d.ts
@@ -5,6 +5,7 @@
 //                 Christopher Currens <https://github.com/ccurrens>
 //                 Edward Hinkle <https://github.com/edwardhinkle>
 //                 Behind The Math <https://github.com/BehindTheMath>
+//                 Claas Ahlrichs <https://github.com/claasahl>
 // Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
 
 /// <reference types="node"/>
@@ -34,7 +35,7 @@ export interface Options {
     async?: boolean;
     attrkey?: string;
     attrNameProcessors?: Array<(name: string) => any>;
-    attrValueProcessors?: Array<(name: string) => any>;
+    attrValueProcessors?: Array<(value: string, name: string) => any>;
     charkey?: string;
     charsAsChildren?: boolean;
     childkey?: string;
@@ -52,7 +53,7 @@ export interface Options {
     tagNameProcessors?: Array<(name: string) => any>;
     trim?: boolean;
     validator?: Function;
-    valueProcessors?: Array<(name: string) => any>;
+    valueProcessors?: Array<(value: string, name: string) => any>;
     xmlns?: boolean;
 }