diff --git a/apps/hdhr/api_views.py b/apps/hdhr/api_views.py
index 5d706ef8..fe1d4ff9 100644
--- a/apps/hdhr/api_views.py
+++ b/apps/hdhr/api_views.py
@@ -56,6 +56,7 @@ class DiscoverAPIView(APIView):
                 "DeviceAuth": "test_auth_token",
                 "BaseURL": base_url,
                 "LineupURL": f"{base_url}/lineup.json",
+                "TunerCount": "10",
             }
         else:
             data = {
@@ -67,6 +68,7 @@ class DiscoverAPIView(APIView):
                 "DeviceAuth": "test_auth_token",
                 "BaseURL": base_url,
                 "LineupURL": f"{base_url}/lineup.json",
+                "TunerCount": "10",
             }
         return JsonResponse(data)