diff --git a/Sources/Core/Microsoft.StreamProcessing/Operators/SnapshotWindow/Tumbling/SnapshotWindowTumblingPipeSimple.cs b/Sources/Core/Microsoft.StreamProcessing/Operators/SnapshotWindow/Tumbling/SnapshotWindowTumblingPipeSimple.cs
index 78566c5d4..7c78ace2e 100644
--- a/Sources/Core/Microsoft.StreamProcessing/Operators/SnapshotWindow/Tumbling/SnapshotWindowTumblingPipeSimple.cs
+++ b/Sources/Core/Microsoft.StreamProcessing/Operators/SnapshotWindow/Tumbling/SnapshotWindowTumblingPipeSimple.cs
@@ -198,7 +198,7 @@ private void DisposeStateLocal()
         protected override void DisposeState()
         {
             this.batch.Free();
-            if (hasDisposableState) DisposeState();
+            if (hasDisposableState) DisposeStateLocal();
         }
     }
 }