diff --git a/linux-tkg-config/prepare b/linux-tkg-config/prepare
index 6ce69e1..1a7cd35 100644
--- a/linux-tkg-config/prepare
+++ b/linux-tkg-config/prepare
@@ -884,6 +884,7 @@ _tkg_srcprep() {
     scripts/config --set-str localversion ""
   else
     _disable "LOCALVERSION_AUTO"
+    scripts/config --set-str "DEFAULT_HOSTNAME" "(none)"
   fi
 
   if [ -z $_debug ]; then