diff --git a/test/functional/tests/conftest.py b/test/functional/tests/conftest.py
index c0c75d1..81adef0 100644
--- a/test/functional/tests/conftest.py
+++ b/test/functional/tests/conftest.py
@@ -47,7 +47,7 @@ def pytest_runtest_setup(item):
         raise Exception("You need to specify DUT config. See the example_dut_config.py file.")
 
     dut_config['plugins_dir'] = os.path.join(os.path.dirname(__file__), "../lib")
-    dut_config['opt_plugins'] = {"test_wrapper": {}}
+    dut_config['opt_plugins'] = {"test_wrapper": {}, "serial_log": {}}
 
     try:
         TestRun.prepare(item, dut_config)