diff --git a/tools/testing/selftests/drivers/net/psp.py b/tools/testing/selftests/drivers/net/psp.py
index 827e04cc8423..473573e216e3 100755
--- a/tools/testing/selftests/drivers/net/psp.py
+++ b/tools/testing/selftests/drivers/net/psp.py
@@ -570,8 +570,9 @@ def ipver_test_builder(name, test_func, ipver):
     """Build test cases for each IP version"""
     def test_case(cfg):
         cfg.require_ipver(ipver)
-        test_case.__name__ = f"{name}_ip{ipver}"
         test_func(cfg, ipver)
+
+    test_case.__name__ = f"{name}_ip{ipver}"
     return test_case