diff --git a/home/theme.nix b/home/theme.nix
index 0c3008a..3b43ae4 100644
--- a/home/theme.nix
+++ b/home/theme.nix
@@ -51,4 +51,8 @@
   # ??? this commit broke nautilus's spacing ???
   # https://github.com/nix-community/home-manager/commit/e9b9ecef4295a835ab073814f100498716b05a96
   xdg.configFile."gtk-4.0/gtk.css".text = lib.mkForce config.gtk.gtk4.extraCss;
+
+  home.sessionVariables = {
+    QT_QPA_PLATFORMTHEME = "gtk3";
+  };
 }