diff --git a/nixos/modules/config/no-x-libs.nix b/nixos/modules/config/no-x-libs.nix
index 9542de9fa1f6..1d0bc73cac2a 100644
--- a/nixos/modules/config/no-x-libs.nix
+++ b/nixos/modules/config/no-x-libs.nix
@@ -59,8 +59,8 @@ with lib;
       pinentry = super.pinentry.override { enabledFlavors = [ "curses" "tty" "emacs" ]; withLibsecret = false; };
       qemu = super.qemu.override { gtkSupport = false; spiceSupport = false; sdlSupport = false; };
       qrencode = super.qrencode.overrideAttrs (_: { doCheck = false; });
-      qt5 = super.qt5.overrideScope' (self: super: {
-        qtbase = super.qtbase.override { withGtk3 = false; };
+      qt5 = super.qt5.overrideScope' (self': super': {
+        qtbase = super'.qtbase.override { withGtk3 = false; };
       });
       stoken = super.stoken.override { withGTK3 = false; };
       # translateManpages -> perlPackages.po4a -> texlive-combined-basic -> texlive-core-big -> libX11