diff --git a/src/main/scala/higherkindness/rules_scala/workers/zinc/compile/ZincRunner.scala b/src/main/scala/higherkindness/rules_scala/workers/zinc/compile/ZincRunner.scala
index c0cf9a75..3a297402 100644
--- a/src/main/scala/higherkindness/rules_scala/workers/zinc/compile/ZincRunner.scala
+++ b/src/main/scala/higherkindness/rules_scala/workers/zinc/compile/ZincRunner.scala
@@ -58,11 +58,22 @@ object ZincRunner extends WorkerMain[Namespace] {
     parser.parseArgsOrFail(args.getOrElse(Array.empty))
   }
 
+  protected[this] def work(worker: Namespace, args: Array[String], out: PrintStream) = {
+    new ZincRunner(worker, args, out).work()
+  }
+}
+
+class ZincRunner(worker: Namespace, args: Array[String], out: PrintStream) {
+
+  private[this] def labelToPath(label: String): Path = {
+    Paths.get(label.replaceAll("^/+", "").replaceAll(raw"[^\w/]", "_"))
+  }
+
   private def pathFrom(args: Namespace, name: String): Option[Path] = Option(args.getString(name)).map { dir =>
     Paths.get(dir.replace("~", sys.props.getOrElse("user.home", "")))
   }
 
-  protected[this] def work(worker: Namespace, args: Array[String], out: PrintStream) = {
+  def work() = {
     val usePersistence: Boolean = worker.getBoolean("use_persistence") match {
       case p: java.lang.Boolean => p
       case null                 => true