diff --git a/src/core/Akka.Streams/Implementation/Fusing/GraphInterpreter.cs b/src/core/Akka.Streams/Implementation/Fusing/GraphInterpreter.cs
index 92598a55dc4..a561b55b059 100644
--- a/src/core/Akka.Streams/Implementation/Fusing/GraphInterpreter.cs
+++ b/src/core/Akka.Streams/Implementation/Fusing/GraphInterpreter.cs
@@ -996,6 +996,9 @@ private void FinalizeStage(GraphStageLogic logic)
                 if (Log.IsErrorEnabled)
                     Log.Error(err, "Error during PostStop in [{0}]", Assembly.Stages[logic.StageId]);
             }
+
+            //we set it and so we unset it
+            logic.Interpreter = null;
         }
 
         /// <summary>