diff --git a/hal/voice_extn/voice_extn.h b/hal/voice_extn/voice_extn.h
index 03118f7..cae1efb 100644
--- a/hal/voice_extn/voice_extn.h
+++ b/hal/voice_extn/voice_extn.h
@@ -166,7 +166,7 @@
     return -ENOSYS;
 }
 
-static int voice_extn_compress_voip_out_get_buffer_size(struct audio_stream *stream)
+static int voice_extn_compress_voip_out_get_buffer_size(struct stream_out *stream)
 {
     ALOGE("%s: COMPRESS_VOIP_ENABLED is not defined", __func__);
     return -ENOSYS;