diff --git a/xCAT-server/lib/perl/xCAT/Template.pm b/xCAT-server/lib/perl/xCAT/Template.pm
index 0df0280b6..582a95b02 100644
--- a/xCAT-server/lib/perl/xCAT/Template.pm
+++ b/xCAT-server/lib/perl/xCAT/Template.pm
@@ -899,7 +899,7 @@ sub subvars_for_mypostscript {
 
     
     my $osimgname = $provmethod;
-    if($osimgname =~ /install|netboot|statelite/){
+    if($osimgname =~ /^(install|netboot|statelite)$/){
          $osimgname = "$os-$arch-$provmethod-$profile";
     }