diff --git a/install-koji-farm.sh b/install-koji-farm.sh
index 992ca63..8081263 100644
--- a/install-koji-farm.sh
+++ b/install-koji-farm.sh
@@ -194,7 +194,7 @@ fi
 deploy_builder () {
     local FQDN=$1
     # check if server available on port 22
-    until (nc -z $FQDN 22)
+    until (nc -z $FQDN 22 2>/dev/null)
     do
         echo "I cannot connect to $FQDN! Is it online? "
         echo "Options:"