diff --git a/src/ietf-hardware/FspYhPsu.h b/src/ietf-hardware/FspYhPsu.h
index f4c708f..27b9952 100644
--- a/src/ietf-hardware/FspYhPsu.h
+++ b/src/ietf-hardware/FspYhPsu.h
@@ -44,6 +44,9 @@
     std::string m_psuName;
 
     std::shared_ptr<velia::ietf_hardware::sysfs::HWMon> m_hwmon;
+
+    std::string m_namePrefix;
+    velia::ietf_hardware::DataTree m_staticData;
     std::vector<std::function<velia::ietf_hardware::DataTree()>> m_properties;
 
     void createPower();