diff --git a/aosp/hardware_android.h b/aosp/hardware_android.h
index 78f056e..d20e8df 100644
--- a/aosp/hardware_android.h
+++ b/aosp/hardware_android.h
@@ -64,6 +64,8 @@
   [[nodiscard]] ErrorCode IsPartitionUpdateValid(
       const std::string& partition_name,
       const std::string& new_version) const override;
+  [[nodiscard]] const char* GetPartitionMountOptions(
+      const std::string& partition_name) const override;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(HardwareAndroid);