diff --git a/xCAT-server/sbin/xcatd b/xCAT-server/sbin/xcatd
index dca5ff508..20b8f5ecf 100755
--- a/xCAT-server/sbin/xcatd
+++ b/xCAT-server/sbin/xcatd
@@ -621,6 +621,7 @@ until ($quit) {
   }
 
   if ($child == 0) {
+    $SIG{TERM} = $SIG{INT} = ();
     $SIG{CHLD} = \&generic_reaper; #THROTTLE
     $listener->close;