diff --git a/tests/test-utils-globals.py b/tests/test-utils-globals.py
index <HASH>..<HASH> 100644
--- a/tests/test-utils-globals.py
+++ b/tests/test-utils-globals.py
@@ -29,3 +29,4 @@ class TestOpinelUtils:
         check_versions('1.0.0', '1.4.2', '2.0.0', 'opinelunittest')
         check_versions('1.0.0', '2.4.2', '2.0.0', 'opinelunittest')
         check_versions('1.0.0', '0.4.2', '2.0.0', 'opinelunittest')
+        check_versions(None, None, None, None)
Up coverage for opinel.utils.globals