diff --git a/library/par/package.scala b/library/par/package.scala
index 6e8d1d571b8b21f63a725353a4db30ee92fdeb0d..b1bb657d086c9984121cc32432e188670b24daa1 100644
--- a/library/par/package.scala
+++ b/library/par/package.scala
@@ -14,10 +14,11 @@ package object par {
     (x,y)
   }
 
+  @library
   case class Task[A](c: A) {
     def join: A = c
   }
 
-  // @library
+  @library
   def task[A](c: A) = Task(c)
 }