diff --git a/docker-compose-generator/docker-fragments/groestlcoin-clightning.yml b/docker-compose-generator/docker-fragments/groestlcoin-clightning.yml
index 5e6f56b..6be8451 100644
--- a/docker-compose-generator/docker-fragments/groestlcoin-clightning.yml
+++ b/docker-compose-generator/docker-fragments/groestlcoin-clightning.yml
@@ -13,9 +13,11 @@ services:
       LIGHTNINGD_OPT: |
         bitcoin-datadir=/etc/groestlcoin
         bitcoin-rpcconnect=groestlcoind
+        bitcoin-rpcport=43782
         log-level=debug
         announce-addr=${BTCPAY_HOST}:9737
         bind-addr=0.0.0.0:9737
+        
         network=${NBITCOIN_NETWORK:-regtest}
         alias=${LIGHTNING_ALIAS}
         chain=grs