diff --git a/INC/A2osX.I.txt b/INC/A2osX.I.txt
index d6824a2c..559d6d49 100644
--- a/INC/A2osX.I.txt
+++ b/INC/A2osX.I.txt
@@ -355,6 +355,7 @@ DEVMGR.XY.SETPOS .EQ 12
 * 'NET' Class Driver Functions
 *--------------------------------------
 DEVMGR.NET.SEND .EQ 12
+DEVMGR.NET.CAP.ARPOFFLOAD	.EQ 1
 *--------------------------------------
 * 'GFX' Class Driver Functions
 *--------------------------------------