diff --git a/lib/nntp/tiny/session.py b/lib/nntp/tiny/session.py
index 3c40ea5..a510eda 100644
--- a/lib/nntp/tiny/session.py
+++ b/lib/nntp/tiny/session.py
@@ -689,7 +689,7 @@ class Session():
         for message in self._each_message_by_id(identifier):
             overview = self._message_overview(message)
 
-            self.print('|'.join(overview))
+            self.print('\t'.join(overview))
 
     def _cmd_stat(self, identifier: Optional[str]=None):
         message = self._message_by_id(identifier)