diff --git a/pldm.hpp b/pldm.hpp
index f67a36b..3f0c844 100644
--- a/pldm.hpp
+++ b/pldm.hpp
@@ -70,6 +70,12 @@
                 MatchRules::interface("xyz.openbmc_project.PLDM.Event"),
             std::bind(std::mem_fn(&Interface::sensorEvent), this,
                       std::placeholders::_1)),
+        hostStateSignal(
+            open_power::occ::utils::getBus(),
+            MatchRules::propertiesChanged("/xyz/openbmc_project/state/host0",
+                                          "xyz.openbmc_project.State.Host"),
+            std::bind(std::mem_fn(&Interface::hostStateEvent), this,
+                      std::placeholders::_1)),
         sdpEvent(sdeventplus::Event::get_default()),
         pldmRspTimer(
             sdeventplus::utility::Timer<sdeventplus::ClockId::Monotonic>(
@@ -168,6 +174,9 @@
      */
     sdbusplus::bus::match_t pldmEventSignal;
 
+    /** @brief Used to subscribe for host state change signal */
+    sdbusplus::bus::match_t hostStateSignal;
+
     /** @brief PLDM Sensor ID to OCC Instance mapping
      */
     SensorToInstance sensorToOCCInstance;
@@ -250,6 +259,14 @@
      */
     void sensorEvent(sdbusplus::message::message& msg);
 
+    /** @brief When the host state changes and if the CurrentHostState is
+     *         xyz.openbmc_project.State.Host.HostState.Off then
+     *         the cache of OCC sensors and effecters mapping is cleared.
+     *
+     *  @param[in] msg - data associated with the subscribed signal
+     */
+    void hostStateEvent(sdbusplus::message::message& msg);
+
     /** @brief Called when it is determined that the Host is not running.
      *         The cache of OCC sensors and effecters mapping is cleared.
      */