diff --git a/xCAT-server/lib/xcat/plugins/imgcapture.pm b/xCAT-server/lib/xcat/plugins/imgcapture.pm
index dfa556843..e1091434f 100644
--- a/xCAT-server/lib/xcat/plugins/imgcapture.pm
+++ b/xCAT-server/lib/xcat/plugins/imgcapture.pm
@@ -612,6 +612,10 @@ sub sysclone_getimg{
         return 1;
     }
 
+    # use reboot in genesis
+    my $masterscript = $sysclone_home . "/scripts" . "/$osimage.master";
+    my $rc = `sed -i "s/shutdown -r now/reboot -f/g" $masterscript`;
+
     return 0;
 }