diff --git a/pkgs/servers/x11/xorg/overrides.nix b/pkgs/servers/x11/xorg/overrides.nix
index c91f0c32c3cd..3701bdc461f0 100644
--- a/pkgs/servers/x11/xorg/overrides.nix
+++ b/pkgs/servers/x11/xorg/overrides.nix
@@ -241,7 +241,7 @@ in
   };
 
   xkbcomp = attrs: attrs // {
-    NIX_CFLAGS_COMPILE = "-DDFLT_XKB_CONFIG_ROOT=\".\"";
+    configureFlags = "--with-xkb-config-root=${xorg.xkeyboardconfig}/share/X11/xkb"; 
   };
 
   xkeyboardconfig = attrs: attrs // {