diff --git a/src/system/modules/bitcoin/modules/electrum/default.nix b/src/system/modules/bitcoin/modules/electrum/default.nix
index 0676f4a..c31fe9e 100644
--- a/src/system/modules/bitcoin/modules/electrum/default.nix
+++ b/src/system/modules/bitcoin/modules/electrum/default.nix
@@ -47,7 +47,7 @@ in
       description = "Electrs Bitcoin Indexer";
 
       script = "${pkgs.electrs}/bin/electrs";
-      scriptArgs = "--config=${conf}";
+      scriptArgs = "--conf=${conf}";
 
       after = [
         "bitcoind-btc.service"