diff --git a/services/datafactory/mgmt/2018-06-01/datafactory/models.go b/services/datafactory/mgmt/2018-06-01/datafactory/models.go
index 7349b75d233e..8c9d19ddea27 100644
--- a/services/datafactory/mgmt/2018-06-01/datafactory/models.go
+++ b/services/datafactory/mgmt/2018-06-01/datafactory/models.go
@@ -40837,7 +40837,7 @@ func (bdtp *BinaryDatasetTypeProperties) UnmarshalJSON(body []byte) error {
 // BinarySink a copy activity Binary sink.
 type BinarySink struct {
 	// StoreSettings - Binary store settings.
-	StoreSettings *StoreReadSettings `json:"storeSettings,omitempty"`
+	StoreSettings *StoreWriteSettings `json:"storeSettings,omitempty"`
 	// AdditionalProperties - Unmatched properties from the message are deserialized this collection
 	AdditionalProperties map[string]interface{} `json:""`
 	// WriteBatchSize - Write batch size. Type: integer (or Expression with resultType integer), minimum: 0.
@@ -41061,7 +41061,7 @@ func (bs *BinarySink) UnmarshalJSON(body []byte) error {
 		switch k {
 		case "storeSettings":
 			if v != nil {
-				var storeSettings StoreReadSettings
+				var storeSettings StoreWriteSettings
 				err = json.Unmarshal(*v, &storeSettings)
 				if err != nil {
 					return err