diff --git a/pkgs/tools/graphics/mangohud/default.nix b/pkgs/tools/graphics/mangohud/default.nix
index 98e60058abc4..a69f8775f3b5 100644
--- a/pkgs/tools/graphics/mangohud/default.nix
+++ b/pkgs/tools/graphics/mangohud/default.nix
@@ -116,8 +116,7 @@ stdenv.mkDerivation rec {
   # Support overlaying Vulkan applications without requiring mangohud to be installed
   postFixup = ''
     wrapProgram "$out/bin/mangohud" \
-      --prefix VK_LAYER_PATH : "$out/share/vulkan/implicit_layer.d" \
-      --prefix VK_INSTANCE_LAYERS : VK_LAYER_MANGOHUD_overlay
+      --prefix XDG_DATA_DIRS : "$out/share"
   '';
 
   meta = with lib; {