diff --git a/xCAT-test/autotest/testcase/installation/reg_linux_diskfull_installation_hierarchy b/xCAT-test/autotest/testcase/installation/reg_linux_diskfull_installation_hierarchy
index bf4ed46fa..a3a04ba54 100644
--- a/xCAT-test/autotest/testcase/installation/reg_linux_diskfull_installation_hierarchy
+++ b/xCAT-test/autotest/testcase/installation/reg_linux_diskfull_installation_hierarchy
@@ -36,7 +36,7 @@ check:rc==0
 cmd:if [[ -f /test.synclist ]] ;then mv -f /test.synclist /test.synclist.bak;fi;
 cmd:echo "/test.synclist -> /test.synclist" > /test.synclist;chdef -t osimage -o __GETNODEATTR($$CN,os)__-__GETNODEATTR($$CN,arch)__-install-compute synclists=/test.synclist
 check:rc==0
-cmd:nodeset $$CN osimage= __GETNODEATTR($$CN,os)__-__GETNODEATTR($$CN,arch)__-install-compute
+cmd:nodeset $$CN osimage=__GETNODEATTR($$CN,os)__-__GETNODEATTR($$CN,arch)__-install-compute
 check:rc==0
 cmd:updatenode $$CN -f
 check:rc==0
diff --git a/xCAT-test/autotest/testcase/installation/reg_linux_diskless_installation_hierarchy b/xCAT-test/autotest/testcase/installation/reg_linux_diskless_installation_hierarchy
index d200cce37..5e16e29af 100644
--- a/xCAT-test/autotest/testcase/installation/reg_linux_diskless_installation_hierarchy
+++ b/xCAT-test/autotest/testcase/installation/reg_linux_diskless_installation_hierarchy
@@ -37,16 +37,16 @@ check:rc==0
 cmd:if [[ -f /test.synclist ]] ;then mv -f /test.synclist /test.synclist.bak;fi;
 cmd:echo "/test.synclist -> /test.synclist" > /test.synclist;chdef -t osimage -o __GETNODEATTR($$CN,os)__-__GETNODEATTR($$CN,arch)__-netboot-compute synclists=/test.synclist
 check:rc==0
-cmd:nodeset $$CN osimage=__GETNODEATTR($$CN,os)__-__GETNODEATTR($$CN,arch)__-netboot-compute
-check:rc==0
-cmd:updatenode $$CN -f
-check:rc==0
 cmd:genimage  __GETNODEATTR($$CN,os)__-__GETNODEATTR($$CN,arch)__-netboot-compute
 check:rc==0
 cmd:packimage __GETNODEATTR($$CN,os)__-__GETNODEATTR($$CN,arch)__-netboot-compute
 check:rc==0
 
+cmd:nodeset $$CN osimage=__GETNODEATTR($$CN,os)__-__GETNODEATTR($$CN,arch)__-netboot-compute
+check:rc==0
 
+cmd:updatenode $$CN -f
+check:rc==0
 cmd:rinstall $$CN osimage=__GETNODEATTR($$CN,os)__-__GETNODEATTR($$CN,arch)__-netboot-compute
 check:rc==0
 check:output=~Provision node\(s\)\: $$CN