diff --git a/dist/lib/swagger.js b/dist/lib/swagger.js
index b1bf318d..1ae6173f 100644
--- a/dist/lib/swagger.js
+++ b/dist/lib/swagger.js
@@ -533,7 +533,7 @@
       _ref1 = this.properties;
       for (_j = 0, _len1 = _ref1.length; _j < _len1; _j++) {
         prop = _ref1[_j];
-        if ((prop.refModel != null) && (modelsToIgnore[prop.refModel] !== 'undefined') === -1) {
+        if ((prop.refModel != null) && modelsToIgnore.indexOf(prop.refModel) === -1) {
           returnVal = returnVal + ('<br>' + prop.refModel.getMockSignature(modelsToIgnore));
         }
       }
diff --git a/lib/swagger.js b/lib/swagger.js
index 6089c634..1ae6173f 100644
--- a/lib/swagger.js
+++ b/lib/swagger.js
@@ -53,7 +53,9 @@
         useJQuery: this.useJQuery,
         url: this.url,
         method: "get",
-        headers: {},
+        headers: {
+          accept: "application/json"
+        },
         on: {
           error: function(response) {
             if (_this.url.substring(0, 4) !== 'http') {
@@ -304,7 +306,9 @@
           url: this.url,
           method: "get",
           useJQuery: this.useJQuery,
-          headers: {},
+          headers: {
+            accept: "application/json"
+          },
           on: {
             error: function(response) {
               return _this.api.fail("Unable to read api '" + _this.name + "' from path " + _this.url + " (server returned " + response.statusText + ")");
@@ -529,7 +533,7 @@
       _ref1 = this.properties;
       for (_j = 0, _len1 = _ref1.length; _j < _len1; _j++) {
         prop = _ref1[_j];
-        if ((prop.refModel != null) && (modelsToIgnore[prop.refModel] !== 'undefined') === -1) {
+        if ((prop.refModel != null) && modelsToIgnore.indexOf(prop.refModel) === -1) {
           returnVal = returnVal + ('<br>' + prop.refModel.getMockSignature(modelsToIgnore));
         }
       }