diff --git a/modules/lamassu-lnbits.nix b/modules/lamassu-lnbits.nix
index cdae44a..03f9252 100644
--- a/modules/lamassu-lnbits.nix
+++ b/modules/lamassu-lnbits.nix
@@ -387,7 +387,7 @@ in
           # Run database migration
           "${lamassuEnv} ${pkgs.nodejs_22}/bin/node packages/server/bin/lamassu-migrate"
         ];
-        ExecStart = "${lamassuEnv} ${pkgs.nodejs_22}/bin/node packages/server/bin/lamassu-server --logLevel ${cfg.logLevel}";
+        ExecStart = "${lamassuEnv} ${pkgs.nodejs_22}/bin/node packages/server/bin/lamassu-server --port ${toString cfg.serverPort} --logLevel ${cfg.logLevel}";
 
         # Node.js specific overrides
         MemoryDenyWriteExecute = false;