diff --git a/xCAT-server/lib/xcat/plugins/anaconda.pm b/xCAT-server/lib/xcat/plugins/anaconda.pm
index b73fb78ee..6dfa247ce 100644
--- a/xCAT-server/lib/xcat/plugins/anaconda.pm
+++ b/xCAT-server/lib/xcat/plugins/anaconda.pm
@@ -762,7 +762,7 @@ sub mknetboot
         }
 
         # turn off the selinux
-        if ($osver =~ m/(fedora12|fedora13|rhels7)/) {
+        if ($osver =~ m/(fedora12|fedora13|rhels7|rhels8)/) {
             $kcmdline .= " selinux=0 ";
         }