diff --git a/test/TEST-18-FAILUREACTION/testsuite.sh b/test/TEST-18-FAILUREACTION/testsuite.sh
index bf9c0257667..6ab2638d8ce 100755
--- a/test/TEST-18-FAILUREACTION/testsuite.sh
+++ b/test/TEST-18-FAILUREACTION/testsuite.sh
@@ -5,7 +5,7 @@ set -o pipefail
 systemd-run --wait -p FailureAction=poweroff true
 ! systemd-run --wait -p SuccessAction=poweroff false
 
-if test -f /firstphase ; then
+if ! test -f /firstphase ; then
     echo OK > /firstphase
     systemd-run --wait -p SuccessAction=reboot true
 else