diff --git a/overlays/cross.nix b/overlays/cross.nix
index 538afed45..05320a8ab 100644
--- a/overlays/cross.nix
+++ b/overlays/cross.nix
@@ -1111,7 +1111,7 @@ in {
   qt5 = (prev.qt5.override {
     # build all qt5 modules using emulation...
     inherit (emulated) stdenv;
-  }).overrideScope' (self: super: {
+  }).overrideScope (self: super: {
     # but for anything using `libsForQt5.callPackage`, don't emulate.
     # note: alternative approach is to only `libsForQt5` (it's a separate scope),.
     # it inherits so much from the `qt5` scope, so not a clear improvement.