diff --git a/nixos/modules/services/finance/taler/merchant.nix b/nixos/modules/services/finance/taler/merchant.nix
index a541ba2d5b25..72b4a2a0b3c0 100644
--- a/nixos/modules/services/finance/taler/merchant.nix
+++ b/nixos/modules/services/finance/taler/merchant.nix
@@ -17,7 +17,7 @@ let
     "webhook"
     "wirewatch"
     "depositcheck"
-    "exchange"
+    "exchangekeyupdate"
   ];
 
   configFile = config.environment.etc."taler/taler.conf".source;