diff --git a/src/DtmMongoBarrier/MongoBranchBarrier.cs b/src/DtmMongoBarrier/MongoBranchBarrier.cs
index c7926d1..54d6b26 100644
--- a/src/DtmMongoBarrier/MongoBranchBarrier.cs
+++ b/src/DtmMongoBarrier/MongoBranchBarrier.cs
@@ -145,7 +145,7 @@ await MongoInsertBarrier(
             {
                 try
                 {
-                    await barrier.InsertOneAsync(new DtmBarrierDocument
+                    await barrier.InsertOneAsync(session,new DtmBarrierDocument
                     {
                         TransType = bb.TransType,
                         GId = bb.Gid,