diff --git a/nixos/modules/services/web-apps/c2fmzq-server.nix b/nixos/modules/services/web-apps/c2fmzq-server.nix
index 54c4bf1b09ca..87938fe160e1 100644
--- a/nixos/modules/services/web-apps/c2fmzq-server.nix
+++ b/nixos/modules/services/web-apps/c2fmzq-server.nix
@@ -7,7 +7,11 @@ let
 
   argsFormat = {
     type = with lib.types; attrsOf (nullOr (oneOf [ bool int str ]));
-    generate = lib.cli.toGNUCommandLineShell { };
+    generate = lib.cli.toGNUCommandLineShell {
+      mkBool = k: v: [
+        "--${k}=${if v then "true" else "false"}"
+      ];
+    };
   };
 in {
   options.services.c2fmzq-server = {
diff --git a/nixos/tests/c2fmzq.nix b/nixos/tests/c2fmzq.nix
index 59addbde24ed..0dd89f6881dd 100644
--- a/nixos/tests/c2fmzq.nix
+++ b/nixos/tests/c2fmzq.nix
@@ -12,6 +12,7 @@ import ./make-test-python.nix ({ pkgs, lib, ... }: {
         # make sure multiple freeform options evaluate
         allow-new-accounts = true;
         auto-approve-new-accounts = true;
+        licenses = false;
       };
     };
     environment = {
@@ -74,5 +75,8 @@ import ./make-test-python.nix ({ pkgs, lib, ... }: {
     with subtest("Test that PWA is served"):
         msg = machine.succeed("curl -sSfL http://localhost:8080")
         assert "c2FmZQ" in msg, f"Could not find 'c2FmZQ' in the output:\n{msg}"
+
+    with subtest("A setting with false value is properly passed"):
+        machine.succeed("systemctl show -p ExecStart --value c2fmzq-server.service | grep -F -- '--licenses=false'");
   '';
 })