diff --git a/pkg/openai/session.py b/pkg/openai/session.py
index dcaac9ff..28e7611a 100644
--- a/pkg/openai/session.py
+++ b/pkg/openai/session.py
@@ -92,7 +92,7 @@ def dump_session(session_name: str):
 class Session:
     name = ''
 
-    prompt = {}
+    prompt = []
 
     create_timestamp = 0