diff --git a/types/koa-router/index.d.ts b/types/koa-router/index.d.ts
index b5dc934965..6763f8d7b8 100644
--- a/types/koa-router/index.d.ts
+++ b/types/koa-router/index.d.ts
@@ -4,6 +4,7 @@
 //                 Pavel Ivanov <https://github.com/schfkt>
 //                 JounQin <https://github.com/JounQin>
 //                 Romain Faust <https://github.com/romain-faust>
+//                 Guillaume Mayer <https://github.com/Guillaume-Mayer>
 // Definitions: https://github.com/hellopao/DefinitelyTyped
 // TypeScript Version: 2.3
 
@@ -86,6 +87,10 @@ declare namespace Router {
         sensitive?: boolean;
         strict?: boolean;
     }
+    
+    export interface IUrlOptionsQuery {
+        query: object | string;
+    }
 
     export class ParamName {
         asterisk: boolean;
@@ -258,9 +263,24 @@ declare class Router {
     /**
      * Generate URL for route. Takes either map of named `params` or series of
      * arguments (for regular expression routes)
+     * 
+     * router = new Router();
+     * router.get('user', "/users/:id", ...
+     * 
+     * router.url('user', { id: 3 });
+     * // => "/users/3"
+     * 
+     * Query can be generated from third argument:
+     * 
+     * router.url('user', { id: 3 }, { query: { limit: 1 } });
+     * // => "/users/3?limit=1"
+     * 
+     * router.url('user', { id: 3 }, { query: "limit=1" });
+     * // => "/users/3?limit=1"
+     * 
      */
-    url(name: string, params: Object): string;
-    url(name: string, params: Object): Error;
+    url(name: string, params: any, options?: Router.IUrlOptionsQuery): string;
+    url(name: string, params: any, options?: Router.IUrlOptionsQuery): Error;
 
     /**
      * Match given `path` and return corresponding routes.
diff --git a/types/koa-router/koa-router-tests.ts b/types/koa-router/koa-router-tests.ts
index b2bec9ad0c..b5a4083146 100644
--- a/types/koa-router/koa-router-tests.ts
+++ b/types/koa-router/koa-router-tests.ts
@@ -14,11 +14,21 @@ router
     .get('/', function (ctx, next) {
         ctx.body = 'Hello World!';
     })
-    .get('/users/:id', function (ctx, next) {
-        ctx.body = ctx.router.url('user-accounts', { id: ctx.params.id })
+    .get('user', '/users/:id', function (ctx, next) {
+        ctx.body = {
+          test1: ctx.router.url('user-accounts', { id: ctx.params.id }),
+          test2: ctx.router.url('user-accounts', ctx.params.id),
+          test3: ctx.router.url('user-accounts', [ctx.params.id]),
+        }
     })
     .get('user-accounts', '/users/:id/accounts', function (ctx, next) {
-        // ...
+        ctx.body = {
+          test1: ctx.router.url('user', { id: 3 }, { query: { limit: 1 } }),
+          test2: ctx.router.url('user', { id: 3 }, { query: "limit=1" }),
+          test3: ctx.router.url('user', 3, { query: { limit: 1 } }),
+          test4: ctx.router.url('user', [3], { query: "limit=1" }),
+          test5: ctx.router.url('user', ["3"], { query: { limit: "1" } }),
+        }
     })
     .post('/users', function (ctx, next) {
         // ...