diff --git a/nixos/code.nix b/nixos/code.nix
index 5f26de9b..7a1a7efb 100644
--- a/nixos/code.nix
+++ b/nixos/code.nix
@@ -6,6 +6,9 @@
   };
 
   environment.systemPackages = with pkgs; [
+    # C
+    clang
+
     # Haskell
     cabal-install
     cabal2nix