diff --git a/tests/functional/openlp_core_utils/test_utils.py b/tests/functional/openlp_core_utils/test_utils.py
index ae8894661..2e826bc61 100644
--- a/tests/functional/openlp_core_utils/test_utils.py
+++ b/tests/functional/openlp_core_utils/test_utils.py
@@ -15,8 +15,8 @@ class TestUtils(TestCase):
         """
         Test the get_filesystem_encoding() function
         """
-        with patch(u'sys.getfilesystemencoding') as mocked_getfilesystemencoding, \
-             patch(u'sys.getdefaultencoding') as mocked_getdefaultencoding:
+        with patch(u'openlp.core.utils.sys.getfilesystemencoding') as mocked_getfilesystemencoding, \
+             patch(u'openlp.core.utils.sys.getdefaultencoding') as mocked_getdefaultencoding:
             # GIVEN: sys.getfilesystemencoding returns "cp1252"
             mocked_getfilesystemencoding.return_value = u'cp1252'