diff --git a/phosphor-power-supply/psu_manager.cpp b/phosphor-power-supply/psu_manager.cpp
index 378c0c1..4cfa801 100644
--- a/phosphor-power-supply/psu_manager.cpp
+++ b/phosphor-power-supply/psu_manager.cpp
@@ -377,6 +377,7 @@
 
         for (auto& psu : psus)
         {
+            additionalData.clear();
             // TODO: Fault priorities #918
             if (!psu->isFaultLogged() && !psu->isPresent())
             {