diff --git a/tests/unit/test_ghdl_interface.py b/tests/unit/test_ghdl_interface.py
index fe126eec0..9f4c4ca88 100644
--- a/tests/unit/test_ghdl_interface.py
+++ b/tests/unit/test_ghdl_interface.py
@@ -248,7 +248,7 @@ def test_elaborate_e_project(self):
 
         self.assertEqual(
             simif._get_command(  # pylint: disable=protected-access
-                config, str(Path("output_path") / "ghdl"), True, True, None
+                config, str(Path("output_path") / "ghdl"), True, True, "tb_entity", None
             ),
             [
                 str(Path("prefix") / "ghdl"),