diff --git a/pyrogram/raw/core/primitives/vector.py b/pyrogram/raw/core/primitives/vector.py
index a2be7b4f..5b2f9ba6 100644
--- a/pyrogram/raw/core/primitives/vector.py
+++ b/pyrogram/raw/core/primitives/vector.py
@@ -33,7 +33,7 @@ class Vector(bytes, TLObject):
     def _read(b: BytesIO) -> Union[int, Any]:
         try:
             return TLObject.read(b)
-        except KeyError:
+        except ValueError:
             b.seek(-4, 1)
             return Int.read(b)