diff --git a/pkgs/development/libraries/qt-6/modules/qtwebengine.nix b/pkgs/development/libraries/qt-6/modules/qtwebengine.nix
index 5d9aa71e8537..9614dc2831b4 100644
--- a/pkgs/development/libraries/qt-6/modules/qtwebengine.nix
+++ b/pkgs/development/libraries/qt-6/modules/qtwebengine.nix
@@ -166,7 +166,7 @@ qtModule {
       src/3rdparty/chromium/gpu/config/gpu_info_collector_linux.cc
   ''
   + lib.optionalString stdenv.isDarwin ''
-    substituteInPlace configure.cmake \
+    substituteInPlace configure.cmake src/gn/CMakeLists.txt \
       --replace "AppleClang" "Clang"
     substituteInPlace cmake/Functions.cmake \
       --replace "/usr/bin/xcrun" "${xcbuild}/bin/xcrun"