diff --git a/tests/start-up-and-test.sh b/tests/start-up-and-test.sh
index d7aaa04..4fcbf37 100755
--- a/tests/start-up-and-test.sh
+++ b/tests/start-up-and-test.sh
@@ -1,5 +1,5 @@
 #!/bin/bash -eu
 
-/usr/sbin/pcscd &
+/usr/sbin/pcscd -d &
 ./build_in_docker/pico_hsm > /dev/null &
 pytest tests -W ignore::DeprecationWarning