diff --git a/index.js b/index.js
index b83a81b..4f51315 100644
--- a/index.js
+++ b/index.js
@@ -50,7 +50,7 @@ Negotiator.prototype.encoding = function encoding(available, opts) {
 };
 
 Negotiator.prototype.encodings = function encodings(available, options) {
-  opts = options || {};
+  var opts = options || {};
   return preferredEncodings(this.request.headers['accept-encoding'], available, opts.preferred);
 };
 
diff --git a/test/encoding.js b/test/encoding.js
index cb90854..9f3a777 100644
--- a/test/encoding.js
+++ b/test/encoding.js
@@ -212,14 +212,12 @@ describe('negotiator.encoding(array)', function () {
     it('should return most client-preferred encoding', function () {
       assert.strictEqual(this.negotiator.encoding(['gzip']), 'gzip')
       assert.strictEqual(this.negotiator.encoding(['compress', 'identity']), 'identity')
-      assert.strictEqual(this.negotiator.encoding(['gzip', 'deflate'], ['deflate']), 'gzip')
-      assert.strictEqual(this.negotiator.encoding(['deflate', 'gzip'], ['deflate']), 'gzip')
     })
 
     it('should return developer-preferred encodings', function () {
-      assert.strictEqual(this.negotiator.encoding(['gzip', 'deflate'], ['gzip']), 'gzip')
-      assert.strictEqual(this.negotiator.encoding(['deflate', 'gzip'], ['gzip']), 'gzip')
-      assert.strictEqual(this.negotiator.encoding(['gzip'], ['gzip']), 'gzip')
+      assert.strictEqual(this.negotiator.encoding(['gzip', 'deflate'], { preferred: ['gzip'] }), 'gzip')
+      assert.strictEqual(this.negotiator.encoding(['deflate', 'gzip'], { preferred: ['gzip'] }), 'gzip')
+      assert.strictEqual(this.negotiator.encoding(['gzip'], { preferred: ['gzip'] }), 'gzip')
     })
   })
 })