diff --git a/occ_manager.cpp b/occ_manager.cpp
index df8ff0c..6b0282c 100644
--- a/occ_manager.cpp
+++ b/occ_manager.cpp
@@ -1260,12 +1260,13 @@
 
         if (existingSensors.find(sensorPath) == existingSensors.end())
         {
-            std::vector<int> occs;
             std::vector<std::string> fTypeList = {"all_sensors"};
             if (iter->second == "total_power")
             {
-                // Total system power has its own chassis association
-                fTypeList.push_back("total_power");
+                // Set sensor purpose as TotalPower
+                dbus::OccDBusSensors::getOccDBus().setPurpose(
+                    sensorPath,
+                    "xyz.openbmc_project.Sensor.Purpose.SensorPurpose.TotalPower");
             }
             dbus::OccDBusSensors::getOccDBus().setChassisAssociation(
                 sensorPath, fTypeList);