diff --git a/aqhome/ipc/nodes/msg_ipc_getdevices_rsp.c b/aqhome/ipc/nodes/msg_ipc_getdevices_rsp.c
index 17db8bb..322f763 100644
--- a/aqhome/ipc/nodes/msg_ipc_getdevices_rsp.c
+++ b/aqhome/ipc/nodes/msg_ipc_getdevices_rsp.c
@@ -39,7 +39,7 @@
 #define AQH_MSGIPC_GETDEVICES_RSP_OFFS_IO         36   /* 2 bytes */
 
 
-#define AQH_MSGIPC_GETDEVICES_RSP_MINSIZE          (GWEN_MSGIPC_OFFS_PAYLOAD+AQH_MSGIPC_GETDEVICES_RSP_OFFS_LASTCHG+8)
+#define AQH_MSGIPC_GETDEVICES_RSP_MINSIZE          (GWEN_MSGIPC_OFFS_PAYLOAD+AQH_MSGIPC_GETDEVICES_RSP_OFFS_IO+2)
 
 
 static void _addU16t(uint8_t **pPtr, uint16_t i);