diff --git a/util/prepare.sh b/util/prepare.sh
index 506eadf9..3af761a6 100755
--- a/util/prepare.sh
+++ b/util/prepare.sh
@@ -2,6 +2,8 @@
 
 source .env
 
+export DOMAIN=$DOMAIN
+
 chown -R root:root chains bootstrap_skript
 
 originalfile="chains/chains_mainnet.json"