diff --git a/bluetooth/include/bdroid_buildcfg.h b/bluetooth/include/bdroid_buildcfg.h
index 30d64ea..6a99bce 100644
--- a/bluetooth/include/bdroid_buildcfg.h
+++ b/bluetooth/include/bdroid_buildcfg.h
@@ -32,4 +32,6 @@
 
 #define AVDT_NUM_SEPS 35
 
+#define BTM_ESCO_TRANSPORT_UNIT_SIZE_PCM16
+
 #endif