diff --git a/test/units/testsuite-18.sh b/test/units/testsuite-18.sh
index 44b792f0031..364c20d8633 100755
--- a/test/units/testsuite-18.sh
+++ b/test/units/testsuite-18.sh
@@ -11,7 +11,7 @@ if ! test -f /firstphase ; then
     systemd-run --wait -p SuccessAction=reboot true
 else
     echo OK >/testok
-    systemd-run --wait -p FailureAction=poweroff false
+    systemd-run --wait -p FailureAction=exit -p FailureActionExitStatus=123 false
 fi
 
 sleep infinity