diff --git a/modules/misc/gtk.nix b/modules/misc/gtk.nix
index db374c35f..d6fedfe41 100644
--- a/modules/misc/gtk.nix
+++ b/modules/misc/gtk.nix
@@ -150,7 +150,7 @@ in
   config = mkIf cfg.enable (
     let
       ini =
-        optionalAttrs (cfg.fontName != null)
+        optionalAttrs (cfg.font != null)
           { gtk-font-name = cfg.font.name; }
         //
         optionalAttrs (cfg.theme != null)