diff --git a/include/hardware/bt_av.h b/include/hardware/bt_av.h
index e5f7b31..536badf 100644
--- a/include/hardware/bt_av.h
+++ b/include/hardware/bt_av.h
@@ -50,6 +50,7 @@
   // NOTE: The values should be same as those listed in the following file:
   //   BluetoothCodecConfig.java
   BTAV_A2DP_CODEC_INDEX_SOURCE_SBC = 0,
+  BTAV_A2DP_CODEC_INDEX_SOURCE_AAC,
   BTAV_A2DP_CODEC_INDEX_SOURCE_APTX,
   BTAV_A2DP_CODEC_INDEX_SOURCE_APTX_HD,
   BTAV_A2DP_CODEC_INDEX_SOURCE_LDAC,