diff --git a/akka-stream/src/main/scala/akka/stream/stage/GraphStage.scala b/akka-stream/src/main/scala/akka/stream/stage/GraphStage.scala
index e316968566..d9b86c22cb 100644
--- a/akka-stream/src/main/scala/akka/stream/stage/GraphStage.scala
+++ b/akka-stream/src/main/scala/akka/stream/stage/GraphStage.scala
@@ -1583,6 +1583,9 @@ abstract class GraphStageLogic private[stream] (val inCount: Int, val outCount:
     override def toString = s"SubSourceOutlet($name)"
   }
 
+  override def toString: String =
+    attributes.get[Attributes.Name].map(attr => s"${getClass.toString}-${attr.n}").getOrElse(getClass.toString)
+
 }
 
 /**