diff --git a/audio/aidl/default/Configuration.cpp b/audio/aidl/default/Configuration.cpp
index 854c7f3..a72be24 100644
--- a/audio/aidl/default/Configuration.cpp
+++ b/audio/aidl/default/Configuration.cpp
@@ -40,6 +40,7 @@
 using aidl::android::media::audio::common::AudioPortMixExt;
 using aidl::android::media::audio::common::AudioProfile;
 using aidl::android::media::audio::common::Int;
+using aidl::android::media::audio::common::MicrophoneInfo;
 using aidl::android::media::audio::common::PcmType;
 using android::hardware::audio::common::makeBitPositionFlagMask;