diff --git a/flake.nix b/flake.nix
index 7f09589..7fcd9dc 100644
--- a/flake.nix
+++ b/flake.nix
@@ -29,6 +29,9 @@
             buildInputs = with helpers.packages."${system}";
               [ updateClojureDeps ];
           };
+          suanniServer = pkgs.mkShell {
+            buildInputs = with self.packages."${system}"; [ suanni-server ];
+          };
         };
       }) // {
         nixosModules = rec {
diff --git a/module.nix b/module.nix
index 611dead..93962f0 100644
--- a/module.nix
+++ b/module.nix
@@ -103,7 +103,7 @@ in {
         ];
         ExecStart = pkgs.writeShellScript "suanni-server.sh"
           (concatStringsSep " " ([
-            "suanni-server"
+            "suanni.server"
             "--hostname=${cfg.event-listener.hostname}"
             "--port=${toString cfg.event-listener.port}"
             "--synology-host=${cfg.synology-client.host}"
diff --git a/src/suanni/server/cli.clj b/src/suanni/server/cli.clj
index 7418e07..803d475 100644
--- a/src/suanni/server/cli.clj
+++ b/src/suanni/server/cli.clj
@@ -50,7 +50,7 @@
 (defn- parse-opts [args required cli-opts]
   (let [{:keys [options]} :as result (cli/parse-opts args cli-opts)
         missing (set/difference required (-> options (keys) (set)))
-        missing-errors (map #(format "missing required parameter: %s" %)
+        missing-errors (map #(format "missing required parameter: %s" (name %))
                             missing)]
     (update result :errors concat missing-errors)))