diff --git a/helpers.sh b/helpers.sh
index fbdf9a1..f42e9e0 100755
--- a/helpers.sh
+++ b/helpers.sh
@@ -104,7 +104,8 @@ BTCPAY_CRYPTOS=$BTCPAY_CRYPTOS
 WOOCOMMERCE_HOST=$WOOCOMMERCE_HOST
 TOR_RELAY_NICKNAME=$TOR_RELAY_NICKNAME
 TOR_RELAY_EMAIL=$TOR_RELAY_EMAIL
-EPS_XPUB=$EPS_XPUB" > $BTCPAY_ENV_FILE
+EPS_XPUB=$EPS_XPUB
+LND_WTCLIENT_SWEEP_FEE=$LND_WTCLIENT_SWEEP_FEE" > $BTCPAY_ENV_FILE
 
 env | grep ^BWT_ >> $BTCPAY_ENV_FILE || true
 }