diff --git a/redfish-core/include/registries.hpp b/redfish-core/include/registries.hpp
index ce6d7b8..a465d6e 100644
--- a/redfish-core/include/registries.hpp
+++ b/redfish-core/include/registries.hpp
@@ -73,7 +73,7 @@
         ret += msg.substr(0, stringIndex);
         msg.remove_prefix(stringIndex + 1);
         size_t number = 0;
-        auto it = std::from_chars(msg.data(), &*msg.end(), number);
+        auto it = std::from_chars(&*msg.begin(), &*msg.end(), number);
         if (it.ec != std::errc())
         {
             return "";