diff --git a/bufferinfo/legacy/BufferInfoMaliMediatek.h b/bufferinfo/legacy/BufferInfoMaliMediatek.h
index 5b48019..43d987a 100644
--- a/bufferinfo/legacy/BufferInfoMaliMediatek.h
+++ b/bufferinfo/legacy/BufferInfoMaliMediatek.h
@@ -27,7 +27,7 @@
  public:
   using LegacyBufferInfoGetter::LegacyBufferInfoGetter;
 
-  int ConvertBoInfo(buffer_handle_t handle, BufferInfo *bo) override;
+  auto GetBoInfo(buffer_handle_t handle) -> std::optional<BufferInfo> override;
 };
 }  // namespace android