diff --git a/modules/desktop/themes/default.nix b/modules/desktop/themes/default.nix
index c087999..f5576e1 100644
--- a/modules/desktop/themes/default.nix
+++ b/modules/desktop/themes/default.nix
@@ -78,15 +78,15 @@ in {
       cursorTheme = cfg.cursorTheme;
       iconTheme = cfg.iconTheme;
       theme = cfg.gtkTheme;
+      gtk3.extraConfig.gtk-application-prefer-dark-theme = mkIf cfg.dark "1";
+      gtk4.extraConfig.gtk-application-prefer-dark-theme = mkIf cfg.dark "1";
     };
 
-    # unfortunately broken because the catppucciin maintainers removed gtk2 support
-    # TODO: kvantum?
-    #hm.qt = {
-    #  enable = true;
-    #  platformTheme.name = "gtk";
-    #  style.name = "gtk2";
-    #};
+    qt = {
+      enable = true;
+      platformTheme = "gnome";
+      style = "adwaita";
+    };
 
     hm.home.pointerCursor = {
       gtk.enable = true;