diff --git a/tests/test_expansions.py b/tests/test_expansions.py
index 0a7bcf7..914ac2c 100644
--- a/tests/test_expansions.py
+++ b/tests/test_expansions.py
@@ -297,7 +297,7 @@ class TestExpansions(unittest.TestCase):
                 )
         else:
             response = self.misp_modules_post(query)
-            self.assertEqual(self.get_errors(response), 'Missing Greynoise API key.')
+            self.assertEqual(self.get_errors(response), 'GreyNoise API Key required, but missing')
 
     @unittest.skip("Service doesn't work")
     def test_ipasn(self):