diff --git a/backend/src/main/resources/application.yaml b/backend/src/main/resources/application.yaml
index ec71453..398cf02 100644
--- a/backend/src/main/resources/application.yaml
+++ b/backend/src/main/resources/application.yaml
@@ -20,8 +20,7 @@ spring:
       base-url: ${OPENAI_BASE_URL}
       api-key: ${OPENAI_KEY}
       chat:
-        options:
-          model: gpt-4o-mini
+        model: gpt-4o-mini
   session:
     store-type: jdbc
     jdbc: