diff --git a/home.admin/_provision.update.sh b/home.admin/_provision.update.sh
index 8a3f36dfb..c567cc136 100755
--- a/home.admin/_provision.update.sh
+++ b/home.admin/_provision.update.sh
@@ -46,7 +46,13 @@ fi
 # load old or init raspiblitz config
 source ${configFile}
 
-# check if config files contains basic: hostname
+# if hostname missing - set default
+if [ ${#hostname} -eq 0 ]; then
+  /home/admin/config.scripts/blitz.conf.sh set hostname "raspiblitz"
+  source ${configFile}
+fi
+
+# re-check if config files contains hostname value
 if [ ${#hostname} -eq 0 ]; then
   /home/admin/config.scripts/blitz.error.sh _provision.update.sh "missing-hostname" "${setupFile} or ${configFile} contains no hostname" "" ${logFile}
   exit 1