diff --git a/telethon/requestiter.py b/telethon/requestiter.py
index af632389..ca9c8d72 100644
--- a/telethon/requestiter.py
+++ b/telethon/requestiter.py
@@ -106,6 +106,7 @@ class RequestIter(abc.ABC):
         async for message in self:
             result.append(message)
 
+        result.total = self.total
         return result
 
     @abc.abstractmethod