diff --git a/bluez-clean-headers/bluetooth/l2cap.h b/bluez-clean-headers/bluetooth/l2cap.h
index 5fd8162..5a4c493 100644
--- a/bluez-clean-headers/bluetooth/l2cap.h
+++ b/bluez-clean-headers/bluetooth/l2cap.h
@@ -27,6 +27,7 @@
 #define L2CAP_LM_TRUSTED 0x0008
 #define L2CAP_LM_RELIABLE 0x0010
 #define L2CAP_LM_SECURE 0x0020
+#define L2CAP_LM_FLUSHABLE 0x0040
 #define L2CAP_COMMAND_REJ 0x01
 #define L2CAP_CONN_REQ 0x02
 #define L2CAP_CONN_RSP 0x03