diff --git a/bitcoin-cli.sh b/bitcoin-cli.sh
index 7a948cb..a6dd3b1 100755
--- a/bitcoin-cli.sh
+++ b/bitcoin-cli.sh
@@ -1,3 +1,3 @@
 #!/bin/bash
 
-docker exec btcpayserver_bitcoind bitcoin-cli -datadir="/data" -rpcport=43782 "$@"
+docker exec btcpayserver_bitcoind bitcoin-cli -datadir="/data" "$@"
diff --git a/docker-compose-generator/docker-fragments/bitcoin.yml b/docker-compose-generator/docker-fragments/bitcoin.yml
index 1859dcb..660f36b 100644
--- a/docker-compose-generator/docker-fragments/bitcoin.yml
+++ b/docker-compose-generator/docker-fragments/bitcoin.yml
@@ -9,6 +9,7 @@ services:
       BITCOIN_NETWORK: ${NBITCOIN_NETWORK:-regtest}
       BITCOIN_WALLETDIR: "/walletdata"
       BITCOIN_EXTRA_ARGS: |
+        rpcport=43782
         rpcbind=0.0.0.0:43782
         rpcallowip=0.0.0.0/0
         port=39388