diff --git a/pkgs/desktops/lxqt/libqtxdg/default.nix b/pkgs/desktops/lxqt/libqtxdg/default.nix
index 526da0d84a4..f5da7a4b235 100644
--- a/pkgs/desktops/lxqt/libqtxdg/default.nix
+++ b/pkgs/desktops/lxqt/libqtxdg/default.nix
@@ -32,6 +32,8 @@ mkDerivation rec {
   preConfigure = ''
     cmakeFlagsArray+=(
       "-DQTXDGX_ICONENGINEPLUGIN_INSTALL_PATH=$out/$qtPluginPrefix/iconengines"
+      "-DCMAKE_INSTALL_INCLUDEDIR=include"
+      "-DCMAKE_INSTALL_LIBDIR=lib"
     )
   '';