diff --git a/conseil-common/src/main/scala/tech/cryptonomic/conseil/common/tezos/TezosTypes.scala b/conseil-common/src/main/scala/tech/cryptonomic/conseil/common/tezos/TezosTypes.scala
index e31f2bb3f..2af245f8e 100644
--- a/conseil-common/src/main/scala/tech/cryptonomic/conseil/common/tezos/TezosTypes.scala
+++ b/conseil-common/src/main/scala/tech/cryptonomic/conseil/common/tezos/TezosTypes.scala
@@ -362,7 +362,7 @@ object TezosTypes {
       counter: PositiveBigNumber,
       gas_limit: PositiveBigNumber,
       storage_limit: PositiveBigNumber,
-      limit: PositiveBigNumber,
+      limit: Option[PositiveBigNumber],
       blockOrder: Option[Int] = None,
       metadata: ResultMetadata[OperationResult.SetDepositsLimit]
   ) extends Operation