diff --git a/item_updater.hpp b/item_updater.hpp
index 893e8b9..e0c4450 100755
--- a/item_updater.hpp
+++ b/item_updater.hpp
@@ -172,6 +172,14 @@
         /** @brief Persistent GardReset dbus object */
         std::unique_ptr<GardReset> gardReset;
 
+        /** @brief Check whether the provided image id is the functional one
+         *
+         * @param[in] - versionId - The id of the image to check.
+         *
+         * @return - Returns true if this version is currently functional.
+         */
+        static bool isVersionFunctional(const std::string& versionId);
+
     private:
         /** @brief Callback function for Software.Version match.
          *  @details Creates an Activation D-Bus object.
@@ -227,14 +235,6 @@
           * Activation D-Bus object */
         void reset() override;
 
-        /** @brief Check whether the provided image id is the functional one
-         *
-         * @param[in] - versionId - The id of the image to check.
-         *
-         * @return - Returns true if this version is currently functional.
-         */
-        static bool isVersionFunctional(std::string versionId);
-
         /** @brief Check whether the host is running
          *
          * @return - Returns true if the Chassis is powered on.