diff --git a/tests/test_config_parser.py b/tests/test_config_parser.py
index 038d8573..492816d8 100644
--- a/tests/test_config_parser.py
+++ b/tests/test_config_parser.py
@@ -511,7 +511,7 @@ def test_concat_multi_line_string(self):
             """
         )
 
-        assert [x.strip(' ') for x in config['common_modules'].split(' ') if x.strip(' ') != ''] == ['perl', 'java', 'python']
+        assert [x.strip() for x in config['common_modules'].split() if x.strip(' ') != ''] == ['perl', 'java', 'python']
 
     def test_concat_multi_line_list(self):
         config = ConfigFactory.parse_string(