diff --git a/test/units/testsuite-13.sh b/test/units/testsuite-13.sh
index 1fc3d8bee3..487cc549f4 100755
--- a/test/units/testsuite-13.sh
+++ b/test/units/testsuite-13.sh
@@ -5,6 +5,7 @@ set -eux
 set -o pipefail
 
 export SYSTEMD_LOG_LEVEL=debug
+export SYSTEMD_LOG_TARGET=journal
 
 # check cgroup-v2
 is_v2_supported=no