diff --git a/pkgs/servers/x11/xorg/overrides.nix b/pkgs/servers/x11/xorg/overrides.nix
index bd529c178f4..fd0162be0bf 100644
--- a/pkgs/servers/x11/xorg/overrides.nix
+++ b/pkgs/servers/x11/xorg/overrides.nix
@@ -285,6 +285,10 @@ self: super:
     meta = attrs.meta // { platforms = stdenv.lib.platforms.linux; };
   });
 
+  oclock = super.oclock.overrideAttrs (attrs: {
+    buildInputs = attrs.buildInputs ++ [ self.libxkbfile ];
+  });
+
   setxkbmap = super.setxkbmap.overrideAttrs (attrs: {
     postInstall =
       ''