diff --git a/audio/aidl/default/StreamStub.cpp b/audio/aidl/default/StreamStub.cpp
index 85d1e16..0ed9357 100644
--- a/audio/aidl/default/StreamStub.cpp
+++ b/audio/aidl/default/StreamStub.cpp
@@ -24,6 +24,7 @@
 using aidl::android::hardware::audio::common::SourceMetadata;
 using aidl::android::media::audio::common::AudioDevice;
 using aidl::android::media::audio::common::AudioOffloadInfo;
+using aidl::android::media::audio::common::MicrophoneInfo;
 
 namespace aidl::android::hardware::audio::core {