diff --git a/xCAT-test/autotest/testcase/installation/reg_linux_statelite_installation_flat b/xCAT-test/autotest/testcase/installation/reg_linux_statelite_installation_flat
index ec95c7bac..f91187513 100644
--- a/xCAT-test/autotest/testcase/installation/reg_linux_statelite_installation_flat
+++ b/xCAT-test/autotest/testcase/installation/reg_linux_statelite_installation_flat
@@ -65,7 +65,7 @@ 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
@@ -100,7 +100,7 @@ check:rc==0
 cmd:lsdef $$CN |grep provmethod
 check:rc==0
 check:output=~__GETNODEATTR($$CN,os)__-__GETNODEATTR($$CN,arch)__-statelite-compute
-cmd:if [[ "__GETNODEATTR($$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