diff --git a/modules/joinmarket.nix b/modules/joinmarket.nix
index b2abaed..0785289 100644
--- a/modules/joinmarket.nix
+++ b/modules/joinmarket.nix
@@ -21,7 +21,7 @@ let
     blockchain_source = bitcoin-rpc
     network = mainnet
     rpc_host = ${builtins.elemAt bitcoind.rpcbind 0}
-    rpc_port = 8332
+    rpc_port = ${toString bitcoind.rpc.port}
     rpc_user = ${bitcoind.rpc.users.privileged.name}
     @@RPC_PASSWORD@@