diff --git a/akka-actor/src/main/scala/akka/util/BoundedBlockingQueue.scala b/akka-actor/src/main/scala/akka/util/BoundedBlockingQueue.scala
index 2a7452b172..8c37845baf 100644
--- a/akka-actor/src/main/scala/akka/util/BoundedBlockingQueue.scala
+++ b/akka-actor/src/main/scala/akka/util/BoundedBlockingQueue.scala
@@ -18,7 +18,7 @@ class BoundedBlockingQueue[E <: AnyRef](val maxCapacity: Int, private val backin
       require(maxCapacity > 0)
   }
 
-  protected val lock = new ReentrantLock(true)
+  protected val lock = new ReentrantLock(false)
 
   private val notEmpty = lock.newCondition()
   private val notFull = lock.newCondition()