diff --git a/src/baseController.js b/src/baseController.js
index c9f3e74..1af04d6 100644
--- a/src/baseController.js
+++ b/src/baseController.js
@@ -128,7 +128,7 @@ module.exports = typeFactory({
 
         options = assign({
             statusCode: 200,
-            headers: {'Content-Type': 'application/json'},
+            headers: {'Content-Type': 'application/vnd.api+json'},
         }, options);
 
         return [options.statusCode, options.headers, JSON.stringify(data)];
diff --git a/src/server.js b/src/server.js
index 0807c59..f16401d 100644
--- a/src/server.js
+++ b/src/server.js
@@ -52,7 +52,7 @@ var Server = typeFactory({
             try {
                 response = callback(request);
             } catch (e) {
-                response = [500, {'Content-Type': 'application/json'}, e.toString()];
+                response = [500, {'Content-Type': 'application/vnd.api+json'}, e.toString()];
             }
             self.trigger('response', response);
             return response;