diff --git a/src/Akka.Persistence.MongoDb/reference.conf b/src/Akka.Persistence.MongoDb/reference.conf
index f76f743..8a5ec38 100644
--- a/src/Akka.Persistence.MongoDb/reference.conf
+++ b/src/Akka.Persistence.MongoDb/reference.conf
@@ -8,7 +8,7 @@
 			connection-string = ""
 
 			# transaction
-			use-write-transaction = off
+			use-write-transaction = on
 
 			# should corresponding journal table's indexes be initialized automatically
 			auto-initialize = on