diff --git a/akka-actor-tests/src/test/scala/akka/routing/BalancingSpec.scala b/akka-actor-tests/src/test/scala/akka/routing/BalancingSpec.scala
index 6cf594b193..9b994082c1 100644
--- a/akka-actor-tests/src/test/scala/akka/routing/BalancingSpec.scala
+++ b/akka-actor-tests/src/test/scala/akka/routing/BalancingSpec.scala
@@ -85,6 +85,7 @@ class BalancingSpec extends AkkaSpec("""
     val replies1 = receiveN(iterationCount - poolSize + 1)
     // all replies from the unblocked worker so far
     replies1.toSet should be(Set(1))
+    log.warning(lastSender.toString)
     expectNoMessage(1.second)
 
     latch.open()