diff --git a/nixos/modules/tasks/kbd.nix b/nixos/modules/tasks/kbd.nix
index e36e9f85f1e3..e1574fa68ad9 100644
--- a/nixos/modules/tasks/kbd.nix
+++ b/nixos/modules/tasks/kbd.nix
@@ -5,13 +5,13 @@ with lib;
 let
 
   makeColor = n: value: "COLOR_${toString n}=${value}";
+  colors = concatImapStringsSep "\n" makeColor config.i18n.consoleColors;
 
-  vconsoleConf = pkgs.writeText "vconsole.conf"
-    ''
-      KEYMAP=${config.i18n.consoleKeyMap}
-      FONT=${config.i18n.consoleFont}
-    '' + concatImapStringsSep "\n" makeColor config.i18n.consoleColors;
-
+  vconsoleConf = pkgs.writeText "vconsole.conf" ''
+    KEYMAP=${config.i18n.consoleKeyMap}
+    FONT=${config.i18n.consoleFont}
+    ${colors}
+  '';
 in
 
 {