diff --git a/hc/front/views.py b/hc/front/views.py
index 1b2a428f..61107246 100644
--- a/hc/front/views.py
+++ b/hc/front/views.py
@@ -761,7 +761,7 @@ def telegram_bot(request):
     try:
         doc = json.loads(request.body.decode("utf-8"))
         jsonschema.validate(doc, telegram_callback)
-    except json.decoder.JSONDecodeError:
+    except ValueError:
         return HttpResponseBadRequest()
     except jsonschema.ValidationError:
         return HttpResponseBadRequest()