diff --git a/src/renderer/src/providers/OpenAIProvider.ts b/src/renderer/src/providers/OpenAIProvider.ts
index 0b2bccac..ce24b3ab 100644
--- a/src/renderer/src/providers/OpenAIProvider.ts
+++ b/src/renderer/src/providers/OpenAIProvider.ts
@@ -221,6 +221,7 @@ export default class OpenAIProvider extends BaseProvider {
 
         return {
           thinking: {
+            type: 'enabled',
             budget_tokens: budgetTokens
           }
         }