diff --git a/tools/power-utils/validator.hpp b/tools/power-utils/validator.hpp
index 3ce235e..c216d1a 100644
--- a/tools/power-utils/validator.hpp
+++ b/tools/power-utils/validator.hpp
@@ -87,7 +87,7 @@
     bool isItFunctional(const std::string& path);
 
   private:
-    sdbusplus::bus::bus& bus;          // D-Bus connection instance
+    sdbusplus::bus_t& bus;             // D-Bus connection instance
     std::vector<std::string> psuPaths; // List of PSU object paths
     std::string targetPsuModel;        // Model name of the reference PSU
     std::string psuPath;               // Path  of the referenced PSU