diff --git a/boot_control_android.h b/boot_control_android.h
index f429d9b..8f4f2f9 100644
--- a/boot_control_android.h
+++ b/boot_control_android.h
@@ -45,6 +45,7 @@
                           std::string* device) const override;
   bool IsSlotBootable(BootControlInterface::Slot slot) const override;
   bool MarkSlotUnbootable(BootControlInterface::Slot slot) override;
+  bool SetActiveBootSlot(BootControlInterface::Slot slot) override;
   bool MarkBootSuccessfulAsync(base::Callback<void(bool)> callback) override;
 
  private: