diff --git a/hive.nix b/hive.nix
index f5a17f3..2316de7 100644
--- a/hive.nix
+++ b/hive.nix
@@ -53,15 +53,14 @@ let
       };
     };
 
-  # Build up the arguments to instantiate a nixpkgs given a system and a version. 
+  # Build up the arguments to instantiate a nixpkgs given a system and a version.
   mkNixpkgsConfig =
-    system: version:
-    if system == "nixos" then
-      { }
-    else if system == "zyxel-nwa50ax" then
-      (mkLiminixConfig system version)
-    else
-      (throw "Unknown system: ${system} for nixpkgs configuration instantiation");
+    system:
+    {
+      nixos = _: { };
+      zyxel-nwa50ax = mkLiminixConfig system;
+    }
+    .${system} or (throw "Unknown system: ${system} for nixpkgs configuration instantiation");
 
   # Instanciates the required nixpkgs version
   mkSystemNixpkgs = system: version: import (mkNixpkgs' version) (mkNixpkgsConfig system version);