diff --git a/bluetooth/socket/aidl/default/BluetoothSocket.cpp b/bluetooth/socket/aidl/default/BluetoothSocket.cpp
index a41bf9b..5993393 100644
--- a/bluetooth/socket/aidl/default/BluetoothSocket.cpp
+++ b/bluetooth/socket/aidl/default/BluetoothSocket.cpp
@@ -38,6 +38,8 @@
         _aidl_return) {
   _aidl_return->leCocCapabilities.numberOfSupportedSockets = 0;
   _aidl_return->leCocCapabilities.mtu = 0;
+  _aidl_return->rfcommCapabilities.numberOfSupportedSockets = 0;
+  _aidl_return->rfcommCapabilities.maxFrameSize = 0;
   return ::ndk::ScopedAStatus::ok();
 }
 ::ndk::ScopedAStatus BluetoothSocket::opened(