diff --git a/i18next-sprintf-postprocessor/i18next-sprintf-postprocessor-tests.ts b/i18next-sprintf-postprocessor/i18next-sprintf-postprocessor-tests.ts
index b2bdf3b8d..36a948d62 100644
--- a/i18next-sprintf-postprocessor/i18next-sprintf-postprocessor-tests.ts
+++ b/i18next-sprintf-postprocessor/i18next-sprintf-postprocessor-tests.ts
@@ -1,10 +1,23 @@
-///<reference path="i18next-sprintf-postprocessor.d.ts"/>
+///<reference path="./i18next-sprintf-postprocessor.d.ts"/>
 
 import * as i18next from "i18next";
-import sprintf from "i18next-sprintf-postprocessor";
+import * as sprintfA from "i18next-sprintf-postprocessor";
+import sprintfB from "i18next-sprintf-postprocessor/dist/commonjs";
 
 function initTest() {
     const i18nextOptions = {};
-    i18next.use(sprintf).init(i18nextOptions);
-    i18next.init({ overloadTranslationOptionHandler: sprintf.overloadTranslationOptionHandler });
+    i18next
+      .use(sprintfA)
+      .use(sprintfB)
+      .init(i18nextOptions);
+      i18next
+        .init({ overloadTranslationOptionHandler: sprintfA.overloadTranslationOptionHandler });
+      i18next
+        .init({ overloadTranslationOptionHandler: sprintfB.overloadTranslationOptionHandler });
+}
+
+function tTest() {
+  i18next.t('interpolationTest1', 'a', 'b', 'c', 'd');
+  i18next.t('interpolationTest3', 'z');
+  i18next.t('interpolationTest4', 0);
 }
diff --git a/i18next-sprintf-postprocessor/i18next-sprintf-postprocessor.d.ts b/i18next-sprintf-postprocessor/i18next-sprintf-postprocessor.d.ts
index a069e45ff..1c0cf25ab 100644
--- a/i18next-sprintf-postprocessor/i18next-sprintf-postprocessor.d.ts
+++ b/i18next-sprintf-postprocessor/i18next-sprintf-postprocessor.d.ts
@@ -3,29 +3,32 @@
 // Definitions by: Cyril Schumacher <https://github.com/cyrilschumacher>
 // Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
 
-///<reference path="../express/express.d.ts"/>
-///<reference path="../i18next/i18next-2.0.17.d.ts"/>
+///<reference path="../i18next/i18next.d.ts"/>
 
 declare namespace I18next {
-	interface I18nextOptions extends i18nextSprintfPostProcessor.I18nextOptions {}
-}
-
-declare namespace i18nextSprintfPostProcessor {
-    interface I18nextOptions {
-        overloadTranslationOptionHandler?(args: Array<any>): void;
-        process?(value: any, key: string, options: Object): void;
-    }
+  interface I18n {
+    t(key: string, ...args: any[]): string;
+  }
 }
 
 declare module "i18next-sprintf-postprocessor" {
     import i18next = require("i18next");
 
-    interface i18nextSprintfPostProcessor {
-        (): any;
-        process(value: any, key: string, options: Object): void;
-        overloadTranslationOptionHandler(args: Array<any>): void;
+    interface I18nextSprintfPostProcessor {
+        name: string;
+        type: string;
+        process(value: any, key: string, options: any): any;
+        overloadTranslationOptionHandler(args: string[]): {
+          postProcess: "sprintf",
+          sprintf: string[]
+        };
     }
 
-    var sprintf: i18nextSprintfPostProcessor;
+    var sprintf: I18nextSprintfPostProcessor;
+    export = sprintf;
+}
+
+declare module "i18next-sprintf-postprocessor/dist/commonjs" {
+    import sprintf = require("i18next-sprintf-postprocessor");
     export default sprintf;
 }
diff --git a/i18next/i18next-2.0.17.d.ts b/i18next/i18next-2.0.17.d.ts
index c8f803f05..61cff428a 100644
--- a/i18next/i18next-2.0.17.d.ts
+++ b/i18next/i18next-2.0.17.d.ts
@@ -5,10 +5,7 @@
 
 // Sources: https://github.com/jamuhl/i18next/
 
-/// <reference path="../express/express.d.ts" />
 /// <reference path="../jquery/jquery.d.ts" />
-/// <reference path="../i18next-express-middleware/i18next-express-middleware.d.ts" />
-/// <reference path="../i18next-sprintf-postprocessor/i18next-sprintf-postprocessor.d.ts" />
 
 declare namespace I18next {
     export interface I18nextStatic {}