diff --git a/src/event.c b/src/event.c
index f576102..514744b 100644
--- a/src/event.c
+++ b/src/event.c
@@ -430,7 +430,7 @@ int btd_event_link_key_notify(bdaddr_t *local, bdaddr_t *peer,
 int btd_event_ltk_notify(bdaddr_t *local, bdaddr_t *peer, uint8_t bdaddr_type,
 					uint8_t *key, uint8_t master,
 					uint8_t authenticated, uint8_t enc_size,
-					uint16_t ediv, 	uint8_t rand[8])
+					uint16_t ediv, uint8_t rand[8])
 {
 	struct btd_adapter *adapter;
 	struct btd_device *device;
diff --git a/src/event.h b/src/event.h
index c4ae18f..dfc158d 100644
--- a/src/event.h
+++ b/src/event.h
@@ -46,4 +46,4 @@ int btd_event_link_key_notify(bdaddr_t *local, bdaddr_t *peer, uint8_t *key,
 int btd_event_ltk_notify(bdaddr_t *local, bdaddr_t *peer, uint8_t bdaddr_type,
 					uint8_t *key, uint8_t master,
 					uint8_t authenticated, uint8_t enc_size,
-					uint16_t ediv, 	uint8_t rand[8]);
+					uint16_t ediv, uint8_t rand[8]);