From 237da026cf40cd7dd39492f5c9fe6c0550d1706f Mon Sep 17 00:00:00 2001
From: Robin GROSS <robin.gross@hagergroup.com>
Date: Tue, 28 Nov 2023 00:46:56 +0100
Subject: [PATCH] fix from_knx for MemoryExtendedWrite

---
 xknx/telegram/apci.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/xknx/telegram/apci.py b/xknx/telegram/apci.py
index d97a5e60da..a440ceffdb 100644
--- a/xknx/telegram/apci.py
+++ b/xknx/telegram/apci.py
@@ -529,7 +529,7 @@ def calculated_length(self) -> int:
     @classmethod
     def from_knx(cls, raw: bytes) -> MemoryExtendedWrite:
         """Parse/deserialize from KNX/IP raw data."""
-        size = len(raw) - 5
+        size = len(raw) - 6
 
         # inject [0x00] before 3 bytes address to enable unsigned int unpack
         count, address, data = struct.unpack(