diff --git a/src/nvidia-gpu/Inventory.hpp b/src/nvidia-gpu/Inventory.hpp
index 9b5b097..ea38f6f 100644
--- a/src/nvidia-gpu/Inventory.hpp
+++ b/src/nvidia-gpu/Inventory.hpp
@@ -59,6 +59,7 @@
     std::shared_ptr<sdbusplus::asio::dbus_interface> assetIface;
     std::shared_ptr<sdbusplus::asio::dbus_interface> acceleratorInterface;
     std::shared_ptr<sdbusplus::asio::dbus_interface> uuidInterface;
+    std::shared_ptr<sdbusplus::asio::dbus_interface> revisionIface;
 
     std::string name;
     mctp::MctpRequester& mctpRequester;