diff --git a/xCAT-server/lib/xcat/plugins/anaconda.pm b/xCAT-server/lib/xcat/plugins/anaconda.pm
index a61a44bd9..046400d05 100644
--- a/xCAT-server/lib/xcat/plugins/anaconda.pm
+++ b/xCAT-server/lib/xcat/plugins/anaconda.pm
@@ -1199,8 +1199,7 @@ sub mkinstall
 		            $pkglistfile,
                     $pkgdir,
                     $platform,
-                    $partfile,
-                    $os
+                    $partfile
                     );
         }