diff --git a/pagure/api/user.py b/pagure/api/user.py
index b07e602..8d522ba 100644
--- a/pagure/api/user.py
+++ b/pagure/api/user.py
@@ -225,10 +225,7 @@ def api_view_user_activity_stats(username):
             d = d.isoformat()
         return d
 
-    stats = [
-        (format_date(d[0]), d[1])
-        for d in stats
-    ]
+    stats = {format_date(d[0]): d[1] for d in stats}
 
     jsonout = flask.jsonify(stats)
     return jsonout
diff --git a/pagure/templates/_render_repo.html b/pagure/templates/_render_repo.html
index e726fba..5769b0b 100644
--- a/pagure/templates/_render_repo.html
+++ b/pagure/templates/_render_repo.html
@@ -314,6 +314,8 @@
         data: "{{ url_for(
           'api_ns.api_view_user_activity_stats',
           username=username, format='timestamp') }}",
+        dataType: "json",
+        highlight: "now",
         onClick: function(date, nb) {
           date = date.getFullYear() + '-' + padStr(date.getMonth() + 1)
             + '-' + padStr(date.getDate());
diff --git a/tests/test_pagure_flask_api_user.py b/tests/test_pagure_flask_api_user.py
index a1c8868..a3c0f00 100644
--- a/tests/test_pagure_flask_api_user.py
+++ b/tests/test_pagure_flask_api_user.py
@@ -325,13 +325,7 @@ class PagureFlaskApiUSertests(tests.Modeltests):
         self.assertEqual(output.status_code, 200)
         data = json.loads(output.data)
         date = datetime.datetime.utcnow().date().strftime('%Y-%m-%d')
-        # There seems to be a difference in the JSON generated between
-        # flask-0.10.1 (F23) and 0.11.1 (jenkins)
-        self.assertTrue(
-            data == {date: 4}
-            or
-            data == [[date, 4]]
-        )
+        self.assertDictEqual(data, {date: 4})
 
     @patch('pagure.lib.notify.send_email')
     def test_api_view_user_activity_date(self, mockemail):