diff --git a/default.nix b/default.nix
index 2c6222bd..1366328f 100644
--- a/default.nix
+++ b/default.nix
@@ -20,6 +20,7 @@
         ./nix/nixosModules/extra/macbook-pro-radeon.nix
         ./nix/nixosModules/extra/macbook-swap-cmd-opt.nix
         ./nix/nixosModules/extra/macbook-swap-fn-ctrl.nix
+        ./nix/nixosModules/extra/macbook-broacom-b43.nix
       ];
     };
   };
diff --git a/nix/nixosModules/extra/macbook-broacom-b43.nix b/nix/nixosModules/extra/macbook-broacom-b43.nix
new file mode 100644
index 00000000..705b04aa
--- /dev/null
+++ b/nix/nixosModules/extra/macbook-broacom-b43.nix
@@ -0,0 +1,4 @@
+{
+  nixpkgs.config.allowUnfree = true;
+  networking.enableB43Firmware = true;
+}