diff --git a/pyrogram/session/session.py b/pyrogram/session/session.py
index b5f69081..3dbedef4 100644
--- a/pyrogram/session/session.py
+++ b/pyrogram/session/session.py
@@ -382,8 +382,8 @@ class Session:
                 await asyncio.wait_for(self.results[msg_id].event.wait(), timeout)
             except asyncio.TimeoutError:
                 pass
-
-            result = self.results.pop(msg_id).value
+            finally:
+                result = self.results.pop(msg_id).value
 
             if result is None:
                 raise TimeoutError