diff --git a/express-handlebars/express-handlebars.d.ts b/express-handlebars/express-handlebars.d.ts
index ee5d78436..6e11635b5 100644
--- a/express-handlebars/express-handlebars.d.ts
+++ b/express-handlebars/express-handlebars.d.ts
@@ -3,6 +3,20 @@
 // Definitions by: Sam Saint-Pettersen <https://github.com/stpettersens>
 // Definitions: https://github.com/borisyankov/DefinitelyTyped
 
+interface Promise {} // This should be replaced with a Promise type definition import.
+
+interface PartialTemplateOptions {
+    cache?: boolean;
+    precompiled?: boolean;
+}
+
+interface RenderOptions {
+    cache?: boolean;
+    data?: Object;
+    helpers?: any;
+    partials?: any;
+}
+
 interface ExphbsOptions {
     handlebars?: any;
     extname?: string;
@@ -13,7 +27,20 @@ interface ExphbsOptions {
     compilerOptions?: any;
 }
 
+interface Exphbs {
+    engine: Function;
+    extname: string;
+    compiled: Object;
+    precompiled: Object;
+    create(options?: ExphbsOptions): Exphbs;
+    getPartials(options?: PartialTemplateOptions): Promise;
+    getTemplate(filePath: string, options?: PartialTemplateOptions): Promise;
+    getTemplates(dirPath: string, options?: PartialTemplateOptions): Promise;
+    render(filePath: string, context: Object, options?: RenderOptions): Promise;
+    renderView(viewPath: string, optionsOrCallback?: any, callback?: Function): void;
+}
+
 declare module "express-handlebars" {
-    function exphbs(options: ExphbsOptions): Function;
+    var exphbs: Exphbs;
     export = exphbs;
 }