diff --git a/ckan/tests/legacy/logic/test_action.py b/ckan/tests/legacy/logic/test_action.py
index 262f0538554..b5261eba497 100644
--- a/ckan/tests/legacy/logic/test_action.py
+++ b/ckan/tests/legacy/logic/test_action.py
@@ -760,7 +760,7 @@ def test_31_bad_request_format_not_json(self):
         postparams = '=1'
         res = self.app.post('/api/action/package_list', params=postparams,
                             status=400)
-        assert "Bad request - Bad request data: Request data JSON decoded to '' but it needs to be a dictionary." in res.body, res.body
+        assert "Bad request - JSON Error: Error decoding JSON data." in res.body, res.body
 
     def test_32_get_domain_object(self):
         anna = model.Package.by_name(u'annakarenina')