diff --git a/vpd-manager/include/bios_handler.hpp b/vpd-manager/include/bios_handler.hpp
index 893a638..08e76b7 100644
--- a/vpd-manager/include/bios_handler.hpp
+++ b/vpd-manager/include/bios_handler.hpp
@@ -119,7 +119,7 @@
      *
      * @param[in] i_ammVal - AMM value.
      */
-    void saveAmmToBios(const std::string& i_ammVal);
+    void saveAmmToBios(const uint8_t& i_ammVal);
 
     /**
      * @brief API to process "hb_memory_mirror_mode" attribute.
diff --git a/vpd-manager/src/bios_handler.cpp b/vpd-manager/src/bios_handler.cpp
index 65e0c47..683d5db 100644
--- a/vpd-manager/src/bios_handler.cpp
+++ b/vpd-manager/src/bios_handler.cpp
@@ -347,16 +347,10 @@
     }
 }
 
-void IbmBiosHandler::saveAmmToBios(const std::string& i_ammVal)
+void IbmBiosHandler::saveAmmToBios(const uint8_t& i_ammVal)
 {
-    if (i_ammVal.size() != constants::VALUE_1)
-    {
-        logging::logMessage("Bad size for AMM received, Skip writing to BIOS");
-        return;
-    }
-
     const std::string l_valtoUpdate =
-        (i_ammVal.at(0) == constants::VALUE_2) ? "Enabled" : "Disabled";
+        (i_ammVal == constants::VALUE_2) ? "Enabled" : "Disabled";
 
     types::PendingBIOSAttrs l_pendingBiosAttribute;
     l_pendingBiosAttribute.push_back(std::make_pair(
@@ -403,7 +397,7 @@
         }
         else
         {
-            saveAmmToBios(std::to_string(l_ammValInVpd.at(0)));
+            saveAmmToBios(l_ammValInVpd.at(0));
         }
         return;
     }