diff --git a/ims/libshim_vtservice.cpp b/ims/libshim_vtservice.cpp
index 42c89cb0d8b902f2e6f5b01196b2aed0c508f215..cdaf6674cc03eda495b7d621139f87f470b21855 100644
--- a/ims/libshim_vtservice.cpp
+++ b/ims/libshim_vtservice.cpp
@@ -29,4 +29,6 @@ void _ZN7android10AudioTrackC1E19audio_stream_type_tj14audio_format_tjj20audio_o
                             pid, pAttributes, doNotReconnect, maxRequiredSpeed, selectedDeviceId,
                             opPackageName);
         }
+
+   void _ZN7android11AudioSourceC1E14audio_source_tRKNS_8String16Ejjjjii28audio_microphone_direction_tf() {}
 }