diff --git a/main.py b/main.py
index c4cc15d..a43cacf 100644
--- a/main.py
+++ b/main.py
@@ -1301,7 +1301,7 @@ def data_fetcher(upstream_response, data_queue, stop_event, last_data_time, api_
                     end_index = buffer.index('\n\n') + 2
                     complete_data, buffer = buffer[:end_index], buffer[end_index:]
                     try:
-                        data_content = complete_data.replace('data: ', '').strip()
+                        data_content = re.sub(r'^data:\s*', '', complete_data).strip()
                         if not data_content:
                             continue
                         data_json = json.loads(data_content)