diff --git a/configuration.nix b/configuration.nix
index 52be205..61c898a 100644
--- a/configuration.nix
+++ b/configuration.nix
@@ -713,8 +713,7 @@ in
   '' else "";
   boot.kernelParams = lib.optionals isNvidia [ "nvidia-drm.modeset=1" ]
                    ++ lib.optionals  isAdata [ "nvme_core.default_ps_max_latency_us=0" "nvme_core.io_timeout=4294967295" ];
-  boot.blacklistedKernelModules = if isNvidia then [ "nouveau" ] else [ ];
-  boot.blacklistedKernelModules = if isNvidia then [ "nouveau" ] else [ ];
+  boot.blacklistedKernelModules = lib.optionals isNvidia then [ "nouveau" ];
   boot.extraModprobeConfig =
     if isNvidia then
       "options nvidia "