diff --git a/DXFeedFramework/Native/Events/Markets/TimeAndSale+Ext.swift b/DXFeedFramework/Native/Events/Markets/TimeAndSale+Ext.swift
index 2a129818f..036f75f76 100644
--- a/DXFeedFramework/Native/Events/Markets/TimeAndSale+Ext.swift
+++ b/DXFeedFramework/Native/Events/Markets/TimeAndSale+Ext.swift
@@ -22,7 +22,7 @@ extension TimeAndSale {
         self.askPrice = native.ask_price
         self.exchangeSaleConditions = String(pointee: native.exchange_sale_conditions)
         self.flags = native.flags
-        self.buyer = String(pointee: native.buyer)
-        self.seller = String(pointee: native.seller)
+        self.buyer = String(nullable: native.buyer)
+        self.seller = String(nullable: native.seller)
     }
 }