diff --git a/Framing.h b/Framing.h
index f86eec8..0233f2f 100644
--- a/Framing.h
+++ b/Framing.h
@@ -17,6 +17,7 @@
 	#define CMD_RADIO_LOCK	0x07
 	#define CMD_DETECT		0x08
 	#define CMD_IMPLICIT	0x09
+	#define CMD_LEAVE       0x0A
 	#define CMD_PROMISC		0x0E
 	#define CMD_READY		0x0F