diff --git a/nixos.nix b/nixos.nix
index 97c5169..9acd2e5 100644
--- a/nixos.nix
+++ b/nixos.nix
@@ -31,7 +31,7 @@ in
 {
   # TODO: disko-fy rascal and beefcake?
 
-  beefcake = nixosSystem "x86-64-linux" [
+  beefcake = nixosSystem "x86_64-linux" [
     ./nixos/beefcake.nix
     inputs.api-lyte-dev.nixosModules.x86_64-linux.api-lyte-dev
   ];
diff --git a/nixos/common.nix b/nixos/common.nix
index 41d2b10..0befc30 100644
--- a/nixos/common.nix
+++ b/nixos/common.nix
@@ -120,24 +120,24 @@ in
     useXkbConfig = true;
     earlySetup = true;
 
-    # colors = [
-    #   "111111"
-    #   "f92672"
-    #   "a6e22e"
-    #   "f4bf75"
-    #   "66d9ef"
-    #   "ae81ff"
-    #   "a1efe4"
-    #   "f8f8f2"
-    #   "75715e"
-    #   "f92672"
-    #   "a6e22e"
-    #   "f4bf75"
-    #   "66d9ef"
-    #   "ae81ff"
-    #   "a1efe4"
-    #   "f9f8f5"
-    # ];
+    colors = [
+      "111111"
+      "f92672"
+      "a6e22e"
+      "f4bf75"
+      "66d9ef"
+      "ae81ff"
+      "a1efe4"
+      "f8f8f2"
+      "75715e"
+      "f92672"
+      "a6e22e"
+      "f4bf75"
+      "66d9ef"
+      "ae81ff"
+      "a1efe4"
+      "f9f8f5"
+    ];
   };
 
   networking = {
diff --git a/pre-commit.bash b/pre-commit.bash
new file mode 100755
index 0000000..9ec3cd5
--- /dev/null
+++ b/pre-commit.bash
@@ -0,0 +1,5 @@
+#!/usr/bin/env bash
+
+set -eux
+
+nix flake check