diff --git a/python/nav/web/static/js/src/webfront.js b/python/nav/web/static/js/src/webfront.js
index 6099c3af05..ae36bb173a 100644
--- a/python/nav/web/static/js/src/webfront.js
+++ b/python/nav/web/static/js/src/webfront.js
@@ -289,7 +289,7 @@ require([
                     window.location = '/';
                 });
                 request.fail(function (response) {
-                    feedback.addFeedback(response, 'error');
+                    feedback.addFeedback(response.responseText, 'error');
                 });
             }
         });
diff --git a/python/nav/web/webfront/views.py b/python/nav/web/webfront/views.py
index c98f0e7732..85bdb88be5 100644
--- a/python/nav/web/webfront/views.py
+++ b/python/nav/web/webfront/views.py
@@ -24,6 +24,7 @@
 from urllib.parse import quote as urlquote
 
 from django.http import (
+    HttpResponseBadRequest,
     HttpResponseForbidden,
     HttpResponseRedirect,
     HttpResponse,
@@ -428,7 +429,7 @@ def delete_dashboard(request, did):
     """Delete this dashboard and all widgets on it"""
     is_last = AccountDashboard.objects.filter(account=request.account).count() == 1
     if is_last:
-        return HttpResponse('Can not delete last dashboard', status=400)
+        return HttpResponseBadRequest('Cannot delete last dashboard')
 
     dash = get_object_or_404(AccountDashboard, pk=did, account=request.account)
     dash.delete()