diff --git a/CHANGELOG.md b/CHANGELOG.md
index 209df673a..42bc81d79 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -25,6 +25,7 @@ GAP: add gap_set_page_scan_activity and gap_set_page_scan_type
 
 ### Fixed
 HCI: handle start inquiry failure
+AVRCP Target: fix notification changed event
 
 ### Changed
 HCI: config I2S for BCM Controllers if `ENABLE_SCO_OVER_PCM`, reduce bit clock to 256/512 kHz
diff --git a/src/classic/avrcp_target.c b/src/classic/avrcp_target.c
index 423d4302b..26b84dfbb 100644
--- a/src/classic/avrcp_target.c
+++ b/src/classic/avrcp_target.c
@@ -1053,7 +1053,7 @@ static int avrcp_target_send_notification(uint16_t cid, avrcp_connection_t * con
     packet[pos++] = AVRCP_PDU_ID_REGISTER_NOTIFICATION; 
     packet[pos++] = 0;
 
-    big_endian_store_16(packet, pos, value_len);
+    big_endian_store_16(packet, pos, 1 + value_len);
     pos += 2;
     packet[pos++] = notification_id;
     if (value_len > 0){