diff --git a/nixos/modules/i18n/input-method/fcitx5.nix b/nixos/modules/i18n/input-method/fcitx5.nix
index a29e26423e06..cba0da6d815f 100644
--- a/nixos/modules/i18n/input-method/fcitx5.nix
+++ b/nixos/modules/i18n/input-method/fcitx5.nix
@@ -119,15 +119,15 @@ in
     ];
     environment.etc =
       let
-        lib.optionalFile = p: f: v: lib.optionalAttrs (v != { }) {
+        optionalFile = p: f: v: lib.optionalAttrs (v != { }) {
           "xdg/fcitx5/${p}".text = f v;
         };
       in
       lib.attrsets.mergeAttrsList [
-        (lib.optionalFile "config" (lib.generators.toINI { }) cfg.settings.globalOptions)
-        (lib.optionalFile "profile" (lib.generators.toINI { }) cfg.settings.inputMethod)
+        (optionalFile "config" (lib.generators.toINI { }) cfg.settings.globalOptions)
+        (optionalFile "profile" (lib.generators.toINI { }) cfg.settings.inputMethod)
         (lib.concatMapAttrs
-          (name: value: lib.optionalFile
+          (name: value: optionalFile
             "conf/${name}.conf"
             (lib.generators.toINIWithGlobalSection { })
             value)
diff --git a/nixos/tests/fcitx5/default.nix b/nixos/tests/fcitx5/default.nix
index feea621f6b5b..379615bd4413 100644
--- a/nixos/tests/fcitx5/default.nix
+++ b/nixos/tests/fcitx5/default.nix
@@ -14,22 +14,20 @@ rec {
       pkgs.alacritty
     ];
 
+    services.displayManager.autoLogin = {
+      enable = true;
+      user = "alice";
+    };
+
     services.xserver = {
       enable = true;
-
-      displayManager = {
-        lightdm.enable = true;
-        autoLogin = {
-          enable = true;
-          user = "alice";
-        };
-      };
-
+      displayManager.lightdm.enable = true;
       desktopManager.xfce.enable = true;
     };
 
     i18n.inputMethod = {
-      enabled = "fcitx5";
+      enable = true;
+      type = "fcitx5";
       fcitx5.addons = [
         pkgs.fcitx5-chinese-addons
         pkgs.fcitx5-hangul