diff --git a/smtpd_watcher/smtpd_watcher.py b/smtpd_watcher/smtpd_watcher.py
index af11b9e..0c60c49 100644
--- a/smtpd_watcher/smtpd_watcher.py
+++ b/smtpd_watcher/smtpd_watcher.py
@@ -54,7 +54,8 @@ class SmtpdWatcher:
             capture_output=True,
         )
         self._log.debug(
-            "Stdout: %s. Return code: %s. Stderr: %s",
+            "Args: %s. Stdout: %s. Return code: %s. Stderr: %s",
+            result.args,
             result.stdout,
             result.returncode,
             result.stderr,