diff --git a/item_updater.cpp b/item_updater.cpp
index 77dfe1c..95e71de 100755
--- a/item_updater.cpp
+++ b/item_updater.cpp
@@ -55,7 +55,7 @@
             return -1;
         }
 
-        auto versionId = std::stoi(resp.substr(pos + 1), nullptr, 16);
+        auto versionId = resp.substr(pos + 1);
         if (updater->activations.find(versionId) == updater->activations.end())
         {
             updater->activations.insert(std::make_pair(
diff --git a/item_updater.hpp b/item_updater.hpp
index a854a62..8350428 100755
--- a/item_updater.hpp
+++ b/item_updater.hpp
@@ -57,7 +57,7 @@
 
         /** @brief Persistent map of Activation dbus objects and their
           * version id */
-        std::map<uint32_t, std::unique_ptr<Activation>> activations;
+        std::map<std::string, std::unique_ptr<Activation>> activations;
 
         /** @brief sdbusplus signal match for Software.Version */
         sdbusplus::server::match::match versionMatch;