diff --git a/redfish-core/lib/certificate_service.hpp b/redfish-core/lib/certificate_service.hpp
index 178e38d..cdeb210 100644
--- a/redfish-core/lib/certificate_service.hpp
+++ b/redfish-core/lib/certificate_service.hpp
@@ -59,7 +59,7 @@
     if (ret != JsonParseResult::Success)
     {
         // We did not receive JSON request, proceed as it is RAW data
-        return req.body;
+        return req.body();
     }
 
     std::string certificate;
diff --git a/redfish-core/lib/update_service.hpp b/redfish-core/lib/update_service.hpp
index d7dfbc4..0d4c1b7 100644
--- a/redfish-core/lib/update_service.hpp
+++ b/redfish-core/lib/update_service.hpp
@@ -546,7 +546,7 @@
     BMCWEB_LOG_DEBUG << "Writing file to " << filepath;
     std::ofstream out(filepath, std::ofstream::out | std::ofstream::binary |
                                     std::ofstream::trunc);
-    out << req.body;
+    out << req.body();
     out.close();
     BMCWEB_LOG_DEBUG << "file upload complete!!";
 }
diff --git a/redfish-core/src/utils/json_utils.cpp b/redfish-core/src/utils/json_utils.cpp
index 89723cc..5daf95b 100644
--- a/redfish-core/src/utils/json_utils.cpp
+++ b/redfish-core/src/utils/json_utils.cpp
@@ -37,7 +37,7 @@
         messages::unrecognizedRequestBody(res);
         return false;
     }
-    reqJson = nlohmann::json::parse(req.body, nullptr, false);
+    reqJson = nlohmann::json::parse(req.body(), nullptr, false);
 
     if (reqJson.is_discarded())
     {