diff --git a/bmc_state_manager.cpp b/bmc_state_manager.cpp
index e1cbaf2..473329c 100644
--- a/bmc_state_manager.cpp
+++ b/bmc_state_manager.cpp
@@ -313,6 +313,15 @@
             break;
     }
 
+    // If the above code could not detect a reason, check to see
+    // if an AC loss occured.
+    size_t chassisId = 0;
+    if (phosphor::state::manager::utils::checkACLoss(chassisId))
+    {
+        this->lastRebootCause(RebootCause::POR);
+        return;
+    }
+
     // If the above code could not detect a reason, look for a the
     // reset-cause-pinhole gpio to see if it is the reason for the reboot
     auto gpioval =