diff --git a/nix/default.nix b/nix/default.nix
index 8d912fe6..b167a4df 100644
--- a/nix/default.nix
+++ b/nix/default.nix
@@ -149,6 +149,7 @@ assert lib.assertMsg (!hidpiXWayland) "The option `hidpiXWayland` has been remov
       (lib.mesonEnable "xwayland" enableXWayland)
       (lib.mesonEnable "legacy_renderer" legacyRenderer)
       (lib.mesonEnable "systemd" withSystemd)
+      (lib.mesonEnable "b_pch" false)
     ];
 
     postInstall = ''