diff --git a/core/templates/ui/drilldown/drilldown.html b/core/templates/ui/drilldown/drilldown.html
index 4349333..c50fd14 100644
--- a/core/templates/ui/drilldown/drilldown.html
+++ b/core/templates/ui/drilldown/drilldown.html
@@ -9,7 +9,7 @@
       hx-post="{% url 'modal_context' %}"
       hx-vals='{"net": "{{ params.net|escapejs }}",
                "num": "{{ params.num|escapejs }}",
-               "src": "{{ params.src|escapejs }}",
+               "source": "{{ params.source|escapejs }}",
                "channel": "{{ params.channel|escapejs }}",
                "time": "{{ params.time|escapejs }}",
                "date": "{{ params.date|escapejs }}",
diff --git a/core/views/ui/drilldown.py b/core/views/ui/drilldown.py
index 9e0253e..f0edcb0 100644
--- a/core/views/ui/drilldown.py
+++ b/core/views/ui/drilldown.py
@@ -305,7 +305,6 @@ class DrilldownContextModal(APIView):
         invalid = [None, False, "—", "None"]
 
         query_params = {k: v for k, v in request.data.items() if v}
-
         for key in query_params:
             if query_params[key] in invalid:
                 query_params[key] = None