diff --git a/src/v2i-hub/RSUHealthMonitorPlugin/src/RSUConfigurationList.cpp b/src/v2i-hub/RSUHealthMonitorPlugin/src/RSUConfigurationList.cpp
index 4377dfc5c..808dc78f8 100644
--- a/src/v2i-hub/RSUHealthMonitorPlugin/src/RSUConfigurationList.cpp
+++ b/src/v2i-hub/RSUHealthMonitorPlugin/src/RSUConfigurationList.cpp
@@ -19,7 +19,7 @@ namespace RSUHealthMonitor
         return root;
     }
 
-    void RSUConfigurationList::parseRSUs(const std::string &rsuConfigsStr)
+    void RSUConfigurationList::parseRSUs(std::string &rsuConfigsStr)
     {
         auto json = parseJson(rsuConfigsStr);
         std::vector<RSUConfiguration> tempConfigs;
@@ -84,7 +84,7 @@ namespace RSUHealthMonitor
         configs.assign(tempConfigs.begin(), tempConfigs.end());
     }
 
-    RSUMibVersion RSUConfigurationList::strToMibVersion(const std::string &mibVersionStr) const
+    RSUMibVersion RSUConfigurationList::strToMibVersion(std::string &mibVersionStr) const
     {
         boost::trim_left(mibVersionStr);
         boost::trim_right(mibVersionStr);
diff --git a/src/v2i-hub/RSUHealthMonitorPlugin/src/RSUConfigurationList.h b/src/v2i-hub/RSUHealthMonitorPlugin/src/RSUConfigurationList.h
index 1ebdb798a..1cc94e32c 100644
--- a/src/v2i-hub/RSUHealthMonitorPlugin/src/RSUConfigurationList.h
+++ b/src/v2i-hub/RSUHealthMonitorPlugin/src/RSUConfigurationList.h
@@ -46,7 +46,7 @@ namespace RSUHealthMonitor
          * @return JSON::Value A JSON object that includes RSUS information.
          */
         Json::Value parseJson(const std::string &rsuConfigsStr) const;
-        RSUMibVersion strToMibVersion(const std::string &mibVersionStr) const;
+        RSUMibVersion strToMibVersion(std::string &mibVersionStr) const;
 
     public:
         RSUConfigurationList() = default;
@@ -55,7 +55,7 @@ namespace RSUHealthMonitor
          * @brief Parse RSUs configrations in JSON string representation, and update the memeber of list of RSUConfiguration struct.
          * @param rsuConfigsStr A JSON string includes all RSUs related configrations.
          */
-        void parseRSUs(const std::string &rsuConfigsStr);
+        void parseRSUs(std::string &rsuConfigsStr);
         /**
          * @brief Get a list of RSUConfiguration struct.
          */