diff --git a/nixos/modules/hardware/opengl.nix b/nixos/modules/hardware/opengl.nix
index bef500e30c0b..c4fad9a66725 100644
--- a/nixos/modules/hardware/opengl.nix
+++ b/nixos/modules/hardware/opengl.nix
@@ -135,6 +135,12 @@ in
     environment.sessionVariables.LD_LIBRARY_PATH =
       [ "/run/opengl-driver/lib" "/run/opengl-driver-32/lib" ];
 
+    environment.extraInit = ''
+      export XDG_DATA_DIRS=$XDG_DATA_DIRS:/run/opengl-driver/share
+    '' + optionalString cfg.driSupport32Bit ''
+      export XDG_DATA_DIRS=$XDG_DATA_DIRS:/run/opengl-driver-32/share
+    '';
+
     hardware.opengl.package = mkDefault (makePackage pkgs);
     hardware.opengl.package32 = mkDefault (makePackage pkgs_i686);