diff --git a/bmc_state_manager.cpp b/bmc_state_manager.cpp
index 5376994..faab43f 100644
--- a/bmc_state_manager.cpp
+++ b/bmc_state_manager.cpp
@@ -1,3 +1,5 @@
+#include "config.h"
+
 #include "bmc_state_manager.hpp"
 
 #include "utils.hpp"
@@ -224,6 +226,18 @@
          "{REQUESTED_BMC_TRANSITION}",
          "REQUESTED_BMC_TRANSITION", value);
 
+#ifdef CHECK_FWUPDATE_BEFORE_DO_TRANSITION
+    /*
+     * Do not do transition when the any firmware being updated
+     */
+    if ((server::BMC::Transition::Reboot == value) &&
+        (phosphor::state::manager::utils::isFirmwareUpdating(this->bus)))
+    {
+        info("Firmware being updated, reject the transition request");
+        throw sdbusplus::xyz::openbmc_project::Common::Error::Unavailable();
+    }
+#endif // CHECK_FWUPDATE_BEFORE_DO_TRANSITION
+
     executeTransition(value);
     return server::BMC::requestedBMCTransition(value);
 }