diff --git a/app/config.py b/app/config.py
index ec653b0c..6094012d 100644
--- a/app/config.py
+++ b/app/config.py
@@ -19,7 +19,7 @@ def new_add_text_to_chat_mode(chat_mode):
             if "message" in c and "content" in c["message"]:
                 c["text"] = c["message"]["content"]
             else:
-                c["text"] = ""
+                c["text"] = None
         return chat_mode