diff --git a/config/gpt-3.5-turbo-chat.yaml b/config/gpt-3.5-turbo-chat.yaml
index 116dde2f..f073ab6b 100644
--- a/config/gpt-3.5-turbo-chat.yaml
+++ b/config/gpt-3.5-turbo-chat.yaml
@@ -10,4 +10,8 @@ request_defaults:
   top_p: 0.7
   temperature: 0.2
   x-localai-extensions:
-    top_k: 80
\ No newline at end of file
+    top_k: 80
+    roles:
+      system: "system"
+      assistant: "assistant"
+      user: "user"
\ No newline at end of file