diff --git a/src/back-end/Senparc.Xncf.OpenAI/OHS/Local/AppService/GPT3AppService.cs b/src/back-end/Senparc.Xncf.OpenAI/OHS/Local/AppService/GPT3AppService.cs
index 673fd02..17899e2 100644
--- a/src/back-end/Senparc.Xncf.OpenAI/OHS/Local/AppService/GPT3AppService.cs
+++ b/src/back-end/Senparc.Xncf.OpenAI/OHS/Local/AppService/GPT3AppService.cs
@@ -153,7 +153,7 @@ public async Task<AppResponseBase<string>> ChatGPTAsync(string prompt, int maxTo
             return await this.GetResponseAsync<AppResponseBase<string>, string>(async (response, logger) =>
             {
 
-                var result = await _openAiService.GetChatGPTResultAsync("DefaultUser", prompt);
+                var result = await _openAiService.GetChatGPTResultAsync("DefaultUser", prompt, false, maxTokens);
 
                 return result;
             });