diff --git a/samples/subsys/testsuite/pytest/pytest/conftest.py b/samples/subsys/testsuite/pytest/pytest/conftest.py
index a21762c910342..75b5c58527308 100644
--- a/samples/subsys/testsuite/pytest/pytest/conftest.py
+++ b/samples/subsys/testsuite/pytest/pytest/conftest.py
@@ -4,7 +4,7 @@
 
 import pytest
 
-# add option "--comdopt" to pytest, or it will report "unknown option"
+# add option "--cmdopt" to pytest, or it will report "unknown option"
 # this option is passed from twister.
 def pytest_addoption(parser):
     parser.addoption(
diff --git a/scripts/pylib/twister/twisterlib/harness.py b/scripts/pylib/twister/twisterlib/harness.py
index 814b1a0eb3a64..ff2bd9735c1f6 100644
--- a/scripts/pylib/twister/twisterlib/harness.py
+++ b/scripts/pylib/twister/twisterlib/harness.py
@@ -3,6 +3,7 @@
 import re
 import os
 import subprocess
+import shlex
 from collections import OrderedDict
 import xml.etree.ElementTree as ET
 import logging
@@ -207,6 +208,9 @@ def pytest_run(self, log_file):
         outs = []
         errs = []
 
+        logger.debug(
+                "Running pytest command: %s",
+                " ".join(shlex.quote(a) for a in cmd))
         with subprocess.Popen(cmd,
                               stdout = subprocess.PIPE,
                               stderr = subprocess.PIPE) as proc: