diff --git a/healthMonitor.cpp b/healthMonitor.cpp
index 9024048..be62c3a 100644
--- a/healthMonitor.cpp
+++ b/healthMonitor.cpp
@@ -243,7 +243,10 @@
 void HealthSensor::setSensorThreshold(double criticalHigh, double warningHigh)
 {
     CriticalInterface::criticalHigh(criticalHigh);
+    CriticalInterface::criticalLow(std::numeric_limits<double>::quiet_NaN());
+
     WarningInterface::warningHigh(warningHigh);
+    WarningInterface::warningLow(std::numeric_limits<double>::quiet_NaN());
 }
 
 void HealthSensor::setSensorValueToDbus(const double value)
@@ -608,8 +611,8 @@
     // Create an health monitor object
     healthMon = std::make_shared<phosphor::health::HealthMon>(*conn);
 
-    // Add object manager to sensor node
-    sdbusplus::server::manager::manager objManager(*conn, SENSOR_OBJPATH);
+    // Add object manager through object_server
+    sdbusplus::asio::object_server objectServer(conn);
 
     sdbusplus::asio::sd_event_wrapper sdEvents(io);