diff --git a/util/collection/src/main/scala/sbt/INode.scala b/util/collection/src/main/scala/sbt/INode.scala
index 86ddff060..e9f64ef6c 100644
--- a/util/collection/src/main/scala/sbt/INode.scala
+++ b/util/collection/src/main/scala/sbt/INode.scala
@@ -70,7 +70,7 @@ abstract class EvaluateSettings[Scope]
 	}
 	private[this] def run0(work: => Unit): Unit =
 	{
-		try { work } catch { case e => complete.put( Some(e) ) }
+		try { work } catch { case e: Throwable => complete.put( Some(e) ) }
 		workComplete()
 	}