diff --git a/pyrogram/connection/transport/tcp/tcp_intermediate.py b/pyrogram/connection/transport/tcp/tcp_intermediate.py
index 55a7d071..d99ca463 100644
--- a/pyrogram/connection/transport/tcp/tcp_intermediate.py
+++ b/pyrogram/connection/transport/tcp/tcp_intermediate.py
@@ -27,22 +27,15 @@ log = logging.getLogger(__name__)
 class TCPIntermediate(TCP):
     def __init__(self, proxy: dict):
         super().__init__(proxy)
-        self.is_first_packet = None
 
     def connect(self, address: tuple):
         super().connect(address)
-        self.is_first_packet = True
+        super().sendall(b"\xee" * 4)
+
         log.info("Connected{}!".format(" with proxy" if self.proxy_enabled else ""))
 
     def sendall(self, data: bytes, *args):
-        length = len(data)
-        data = pack("<i", length) + data
-
-        if self.is_first_packet:
-            data = b"\xee" * 4 + data
-            self.is_first_packet = False
-
-        super().sendall(data)
+        super().sendall(pack("<i", len(data)) + data)
 
     def recvall(self, length: int = 0) -> bytes or None:
         length = super().recvall(4)
@@ -50,4 +43,4 @@ class TCPIntermediate(TCP):
         if length is None:
             return None
 
-        return super().recvall(unpack("<I", length)[0])
+        return super().recvall(unpack("<i", length)[0])