diff --git a/akka-actor/src/main/scala/akka/dispatch/Dispatchers.scala b/akka-actor/src/main/scala/akka/dispatch/Dispatchers.scala
index 942bd25a65..6450d82f19 100644
--- a/akka-actor/src/main/scala/akka/dispatch/Dispatchers.scala
+++ b/akka-actor/src/main/scala/akka/dispatch/Dispatchers.scala
@@ -190,7 +190,7 @@ class BalancingDispatcherConfigurator(config: Config, prerequisites: DispatcherP
         config.getInt("throughput"),
         Duration(config.getNanoseconds("throughput-deadline-time"), TimeUnit.NANOSECONDS),
         mailboxType,
-        threadPoolConfig,
+        threadPoolConfig.copy(corePoolSize = 1, maxPoolSize = 1),
         Duration(config.getMilliseconds("shutdown-timeout"), TimeUnit.MILLISECONDS))).build
 
   /**
@@ -209,8 +209,9 @@ class PinnedDispatcherConfigurator(config: Config, prerequisites: DispatcherPrer
   /**
    * Creates new dispatcher for each invocation.
    */
-  override def dispatcher(): MessageDispatcher =
-    new PinnedDispatcher(prerequisites, null, config.getString("name"), config.getString("id"), mailboxType,
-      Duration(config.getMilliseconds("shutdown-timeout"), TimeUnit.MILLISECONDS))
+  override def dispatcher(): MessageDispatcher = configureThreadPool(config,
+    threadPoolConfig ⇒
+      new PinnedDispatcher(prerequisites, null, config.getString("name"), config.getString("id"), mailboxType,
+        Duration(config.getMilliseconds("shutdown-timeout"), TimeUnit.MILLISECONDS), threadPoolConfig)).build
 
 }
diff --git a/akka-actor/src/main/scala/akka/dispatch/PinnedDispatcher.scala b/akka-actor/src/main/scala/akka/dispatch/PinnedDispatcher.scala
index 8c1cc6dd9e..afb6ed55c4 100644
--- a/akka-actor/src/main/scala/akka/dispatch/PinnedDispatcher.scala
+++ b/akka-actor/src/main/scala/akka/dispatch/PinnedDispatcher.scala
@@ -24,14 +24,15 @@ class PinnedDispatcher(
   _name: String,
   _id: String,
   _mailboxType: MailboxType,
-  _shutdownTimeout: Duration)
+  _shutdownTimeout: Duration,
+  _threadPoolConfig: ThreadPoolConfig = ThreadPoolConfig(allowCorePoolTimeout = true, corePoolSize = 1, maxPoolSize = 1))
   extends Dispatcher(_prerequisites,
     _name,
     _id,
     Int.MaxValue,
     Duration.Zero,
     _mailboxType,
-    ThreadPoolConfig(allowCorePoolTimeout = true, corePoolSize = 1, maxPoolSize = 1),
+    _threadPoolConfig,
     _shutdownTimeout) {
 
   @volatile