diff --git a/lib/hci.h b/lib/hci.h
index 4ce77f7..397caf2 100644
--- a/lib/hci.h
+++ b/lib/hci.h
@@ -2348,6 +2348,7 @@ struct sockaddr_hci {
 #define HCI_CHANNEL_USER	1
 #define HCI_CHANNEL_MONITOR	2
 #define HCI_CHANNEL_CONTROL	3
+#define HCI_CHANNEL_LOGGING	4
 
 struct hci_filter {
 	uint32_t type_mask;