diff --git a/test/test-execute/exec-set-credential.service b/test/test-execute/exec-set-credential.service
index 22634361cb3..7f2e87f6584 100644
--- a/test/test-execute/exec-set-credential.service
+++ b/test/test-execute/exec-set-credential.service
@@ -5,7 +5,7 @@ Description=Test for SetCredential=
 [Service]
 ExecStart=sh -x -c 'test "$$(cat %d/test-execute.set-credential)" = "hoge"'
 ExecStartPost=sh -x -c 'test "$$(cat %d/test-execute.set-credential)" = "hoge"'
-ExecStop=sh -x -c 'test "$$(cat %d/test-execute.set-credential)" = "hoge"'
-ExecStopPost=sh -x -c 'test "$$(cat %d/test-execute.set-credential)" = "hoge"'
+ExecStop=bash -x -c '[[ ! -v CREDENTIALS_DIRECTORY ]]'
+ExecStopPost=bash -x -c '[[ ! -v CREDENTIALS_DIRECTORY ]]'
 Type=oneshot
 SetCredential=test-execute.set-credential:hoge