diff --git a/xCAT-server/lib/xcat/plugins/sles.pm b/xCAT-server/lib/xcat/plugins/sles.pm
index f3bab6d64..e9d4b2d21 100644
--- a/xCAT-server/lib/xcat/plugins/sles.pm
+++ b/xCAT-server/lib/xcat/plugins/sles.pm
@@ -528,6 +528,9 @@ sub copycd
             chomp($darch);
             last;
         }
+        if (not $darch and m/^BASEARCHS\s+(\S+)/) {
+            $darch = $1;
+        }
     }
     close($dinfo);
     unless ($darch)