diff --git a/xCAT-server/sbin/xcatd b/xCAT-server/sbin/xcatd
index 2cfc950b9..90f815e63 100755
--- a/xCAT-server/sbin/xcatd
+++ b/xCAT-server/sbin/xcatd
@@ -871,6 +871,7 @@ unless ($listener) {
 }
 if ($startupparent) { 
    print $startupparent "SUCCESS\n";
+   close($startupparent);
 }