diff --git a/xCAT-test/autotest/testcase/installation/reg_linux_SN_installation_hierarchy b/xCAT-test/autotest/testcase/installation/reg_linux_SN_installation_hierarchy
index 428b322fb..de138e5de 100644
--- a/xCAT-test/autotest/testcase/installation/reg_linux_SN_installation_hierarchy
+++ b/xCAT-test/autotest/testcase/installation/reg_linux_SN_installation_hierarchy
@@ -1,5 +1,6 @@
 start:reg_linux_SN_installation_hierarchy
 os:Linux
+stop=yes
 
 cmd:chtab key=nameservers site.value="<xcatmaster>"
 check:rc==0