diff --git a/tests/test_runner.py b/tests/test_runner.py
index 454787bd4e2c3a272a690f0bf8a8e560d6e19167..ef1d8aa7d56d0cceb1c47aeda6d272ef040f8a7f 100644
--- a/tests/test_runner.py
+++ b/tests/test_runner.py
@@ -1,4 +1,5 @@
 import asyncio
+import logging
 from unittest.mock import Mock, call
 
 from tests.abstract_worker_test import AbstractWorkerTest
@@ -18,6 +19,8 @@ class AbstractCommandTest(AbstractWorkerTest):
         self.fworker.register_log = CoroMock()
         self.fworker.register_task_update = CoroMock()
 
+        logging.getLogger('flamenco_worker.commands').setLevel(logging.DEBUG)
+
     def tearDown(self):
         # This is required for subprocesses, otherwise unregistering signal handlers goes wrong.
         self.loop.close()