diff --git a/lib/swagger.js b/lib/swagger.js
index 8ae188731..0590968aa 100644
--- a/lib/swagger.js
+++ b/lib/swagger.js
@@ -71,17 +71,17 @@
 
   Object.keys = Object.keys || (function () {
     var hasOwnProperty = Object.prototype.hasOwnProperty,
-        hasDontEnumBug = !{ toString: null }.propertyIsEnumerable("toString"),
-        DontEnums = [
-          'toString',
-          'toLocaleString',
-          'valueOf',
-          'hasOwnProperty',
-          'isPrototypeOf',
-          'propertyIsEnumerable',
-          'constructor'
-        ],
-        DontEnumsLength = DontEnums.length;
+      hasDontEnumBug = !{ toString: null }.propertyIsEnumerable("toString"),
+      DontEnums = [
+        'toString',
+        'toLocaleString',
+        'valueOf',
+        'hasOwnProperty',
+        'isPrototypeOf',
+        'propertyIsEnumerable',
+        'constructor'
+      ],
+      DontEnumsLength = DontEnums.length;
 
     return function (o) {
       if (typeof o != "object" && typeof o != "function" || o === null)
@@ -128,6 +128,8 @@
     if (options.url != null)
       this.url = options.url;
 
+    this.swaggerRequstHeaders = options.swaggerRequstHeaders || 'application/json,application/json;charset=utf-8,*/*';
+
     if (options.success != null)
       this.success = options.success;
 
@@ -149,7 +151,7 @@
     }
   };
 
-  SwaggerApi.prototype.build = function () {
+  SwaggerApi.prototype.build = function (mock) {
     if (this.isBuilt)
       return this;
     var _this = this;
@@ -159,7 +161,7 @@
       url: this.url,
       method: "get",
       headers: {
-        accept: "application/json,application/json;charset=utf-8,*/*"
+        accept: _this.swaggerRequstHeaders
       },
       on: {
         error: function (response) {
@@ -186,6 +188,9 @@
     };
     var e = (typeof window !== 'undefined' ? window : exports);
     e.authorizations.apply(obj);
+    if (mock === true)
+      return obj;
+
     new SwaggerHttp().execute(obj);
     return this;
   };
@@ -360,7 +365,7 @@
   var SwaggerResource = function (resourceObj, api) {
     var _this = this;
     this.api = api;
-    this.api = this.api;
+    this.swaggerRequstHeaders = api.swaggerRequstHeaders;
     var consumes = (this.consumes | []);
     var produces = (this.produces | []);
     this.path = this.api.resourcePath != null ? this.api.resourcePath : resourceObj.path;
@@ -393,7 +398,7 @@
         method: "get",
         useJQuery: this.useJQuery,
         headers: {
-          accept: "application/json,application/json;charset=utf-8,*/*"
+          accept: this.swaggerRequstHeaders
         },
         on: {
           response: function (resp) {
diff --git a/test/request.js b/test/request.js
index ae5bc35aa..fdac446b4 100644
--- a/test/request.js
+++ b/test/request.js
@@ -1,6 +1,7 @@
 var test = require('unit.js')
 var should = require('should')
 var mock = require('../test/mock');
+var swagger = require('../lib/swagger');
 var sample, instance;
 
 describe('request operations', function() {
@@ -195,4 +196,19 @@ describe('request operations', function() {
     test.object(req.body);
     should(req.body.id).equal(1);
   })
+
+  it('verifies headers when fetching the swagger specification', function() {
+    var sample = new swagger.SwaggerApi('http://localhost:8000/api-docs.json');
+    var req = sample.build(true);
+    should(req.headers['accept']).equal('application/json,application/json;charset=utf-8,*/*');
+  })
+
+  it('allows override of headers when fetching the swagger specification', function() {
+    var opts = {
+      swaggerRequstHeaders: 'foo/bar'
+    };
+    var sample = new swagger.SwaggerApi('http://localhost:8000/api-docs.json', opts);
+    var req = sample.build(true);
+    should(req.headers['accept']).equal('foo/bar');
+  })
 })
\ No newline at end of file