diff --git a/test/integration-tests/TEST-04-JOURNAL/TEST-04-JOURNAL.units/logs-filtering.service b/test/integration-tests/TEST-04-JOURNAL/TEST-04-JOURNAL.units/logs-filtering.service
index 6eca47d1fa..3d28695902 100644
--- a/test/integration-tests/TEST-04-JOURNAL/TEST-04-JOURNAL.units/logs-filtering.service
+++ b/test/integration-tests/TEST-04-JOURNAL/TEST-04-JOURNAL.units/logs-filtering.service
@@ -5,6 +5,6 @@ Description=Log filtering unit
 Type=oneshot
 # If the service finishes extremely fast, journald cannot find the source of the
 # stream. Hence, we need to call 'journalctl --sync' before service finishes.
-ExecStart=sh -c 'echo "Logging from the service, and ~more~ foo bar"; journalctl --sync'
+ExecStart=bash -c 'echo "Logging from the service, and ~more~ foo bar"; journalctl --sync'
 SyslogLevel=notice
 LogLevelMax=info
diff --git a/test/units/delegated_cgroup_filtering_payload.sh b/test/units/delegated_cgroup_filtering_payload.sh
index 6084ae8dcb..505dcf0cbe 100755
--- a/test/units/delegated_cgroup_filtering_payload.sh
+++ b/test/units/delegated_cgroup_filtering_payload.sh
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 # SPDX-License-Identifier: LGPL-2.1-or-later
 
 mkdir /sys/fs/cgroup/system.slice/delegated-cgroup-filtering.service/the_child