diff --git a/xCAT-test/autotest/testcase/installation/reg_linux_statelite_installation_hierarchy_by_nfs b/xCAT-test/autotest/testcase/installation/reg_linux_statelite_installation_hierarchy_by_nfs
index 6fd4268c8..467d6acab 100644
--- a/xCAT-test/autotest/testcase/installation/reg_linux_statelite_installation_hierarchy_by_nfs
+++ b/xCAT-test/autotest/testcase/installation/reg_linux_statelite_installation_hierarchy_by_nfs
@@ -73,7 +73,7 @@ check:rc==0
 cmd:lsdef $$CN |grep provmethod
 check:rc==0
 check:output=~statelite
-cmd:if [[ "__GETNODEATTR($$CN,arch)__" =~ "ppc64" ]]; then rnetboot $$CN;else rpower $$CN boot; fi
+cmd:if [[ "__GETNODEATTR($$CN,arch)__" = "ppc64" ]]; then rnetboot $$CN;else rpower $$CN boot; fi
 check:rc==0
 
 cmd:sleep 900