diff --git a/app/utils/rag_chat.py b/app/utils/rag_chat.py
index b40831f..7b84f14 100644
--- a/app/utils/rag_chat.py
+++ b/app/utils/rag_chat.py
@@ -88,7 +88,7 @@ class RAGChatService:
                         'content': hit.payload.get('content', ''),
                         'file_path': hit.payload.get('file_path', ''),
                         'header': hit.payload.get('header', ''),
-                        'score': hit.score
+                        'score': float(hit.score)
                     })
 
             except Exception as e: