diff --git a/tests/test_yamlcfg.py b/tests/test_yamlcfg.py
index 366a63a..2713ef7 100644
--- a/tests/test_yamlcfg.py
+++ b/tests/test_yamlcfg.py
@@ -90,6 +90,7 @@ profiles:
         '''.format(cfgstring)
 
         mock_open.side_effect = [
+                unittest.mock.mock_open(read_data=data).return_value,
                 unittest.mock.mock_open(read_data=data).return_value
                 ]
         mock_exists.return_value = True