diff --git a/app/modules/EndPointService.js b/app/modules/EndPointService.js
index 8ceb4e7..847e915 100644
--- a/app/modules/EndPointService.js
+++ b/app/modules/EndPointService.js
@@ -23,6 +23,7 @@
 
             options.timeout = cancelPendingRequest.promise;
             options.params = options.data;
+            options.headers = { 'Accept' : 'application/sparql-results+json' };
             delete (options.data);
 
             $http(options).success(httpRequest.resolve).error(httpRequest.reject);
@@ -287,4 +288,4 @@
     }
 
 
-})();
\ No newline at end of file
+})();