diff --git a/default.nix b/default.nix
new file mode 100644
index 0000000..21693b5
--- /dev/null
+++ b/default.nix
@@ -0,0 +1,8 @@
+# Automatically produce an attribute set, so that nix-build works directly.
+with builtins; let
+	entries = attrNames (builtins.readDir ./.);
+	good = filter (name: name != "default.nix") entries;
+	nullToList = value: if value != null then value else [];
+	nixes = concatMap (name: nullToList (match "(.*)\\.nix" name)) good;
+in
+	foldl' (acc: name: acc // { ${name} = import ./${name}.nix; }) {} nixes