diff --git a/pkgs/servers/x11/xorg/overrides.nix b/pkgs/servers/x11/xorg/overrides.nix
index 506e8538a4d..1e891092f7c 100644
--- a/pkgs/servers/x11/xorg/overrides.nix
+++ b/pkgs/servers/x11/xorg/overrides.nix
@@ -72,7 +72,9 @@ self: super:
 
   mkfontdir = self.mkfontscale;
 
-  libxcb = super.libxcb.overrideAttrs (attrs: {
+  libxcb = (super.libxcb.override {
+    python = python3;
+  }).overrideAttrs (attrs: {
     configureFlags = [ "--enable-xkb" "--enable-xinput" ];
     outputs = [ "out" "dev" "man" "doc" ];
   });