diff --git a/Sources/OpenAI/Public/ResponseModels/Response/ResponseStreamEvent.swift b/Sources/OpenAI/Public/ResponseModels/Response/ResponseStreamEvent.swift
index b71b05d8..d4072cc3 100644
--- a/Sources/OpenAI/Public/ResponseModels/Response/ResponseStreamEvent.swift
+++ b/Sources/OpenAI/Public/ResponseModels/Response/ResponseStreamEvent.swift
@@ -607,7 +607,7 @@ public struct FunctionCallArgumentsDoneEvent: Decodable {
   public let type: String
   public let itemId: String
   public let outputIndex: Int
-  public let name: String
+  public let name: String?
   public let arguments: String
   public let sequenceNumber: Int?