diff --git a/lib/layer.js b/lib/layer.js
index bb09bb9..7cddcbe 100644
--- a/lib/layer.js
+++ b/lib/layer.js
@@ -119,7 +119,7 @@ Layer.prototype.url = function (params, options) {
     }
   }
 
-  const toPath = compile(url, Object.assign({ encode: encodeURIComponent }, options));
+  const toPath = compile(url, { encode: encodeURIComponent, ...options });
   let replaced;
 
   const tokens = parse(url);
diff --git a/test/lib/layer.js b/test/lib/layer.js
index 31c26a1..9b82847 100644
--- a/test/lib/layer.js
+++ b/test/lib/layer.js
@@ -303,9 +303,14 @@ describe('Layer', function () {
       url.should.equal('/programming/how-to-node');
     });
 
-    it('escapes using encodeURIComponent()', function() {
-      const route = new Layer('/:category/:title', ['get'], [function () {}], {name: 'books'});
-      const url = route.url({ category: 'programming', title: 'how to node & js/ts' });
+    it('escapes using encodeURIComponent()', function () {
+      const route = new Layer('/:category/:title', ['get'], [function () {}], {
+        name: 'books'
+      });
+      const url = route.url({
+        category: 'programming',
+        title: 'how to node & js/ts'
+      });
       url.should.equal('/programming/how%20to%20node%20%26%20js%2Fts');
     });
 
diff --git a/test/lib/router.js b/test/lib/router.js
index 70a0993..67da1e1 100644
--- a/test/lib/router.js
+++ b/test/lib/router.js
@@ -1675,11 +1675,11 @@ describe('Router', function () {
       router.url(Symbol('books')).should.be.Error();
     });
 
-    it('escapes using encodeURIComponent()', function() {
-      const url = Router.url(
-        '/:category/:title',
-        { category: 'programming', title: 'how to node & js/ts' }
-      );
+    it('escapes using encodeURIComponent()', function () {
+      const url = Router.url('/:category/:title', {
+        category: 'programming',
+        title: 'how to node & js/ts'
+      });
       url.should.equal('/programming/how%20to%20node%20%26%20js%2Fts');
     });
   });