diff --git a/redfish-core/include/redfish_aggregator.hpp b/redfish-core/include/redfish_aggregator.hpp
index 926cfd5..c2c2e1d 100644
--- a/redfish-core/include/redfish_aggregator.hpp
+++ b/redfish-core/include/redfish_aggregator.hpp
@@ -145,7 +145,7 @@
 }
 
 static inline void addAggregatedHeaders(crow::Response& asyncResp,
-                                        crow::Response& resp,
+                                        const crow::Response& resp,
                                         std::string_view prefix)
 {
     if (!resp.getHeaderValue("Content-Type").empty())
diff --git a/test/redfish-core/include/redfish_aggregator_test.cpp b/test/redfish-core/include/redfish_aggregator_test.cpp
index 4653a81..838e5ed 100644
--- a/test/redfish-core/include/redfish_aggregator_test.cpp
+++ b/test/redfish-core/include/redfish_aggregator_test.cpp
@@ -381,7 +381,7 @@
 
     bool foundLocal = false;
     bool foundSat = false;
-    for (auto& member : asyncResp->res.jsonValue["Members"])
+    for (const auto& member : asyncResp->res.jsonValue["Members"])
     {
         if (member["@odata.id"] == "/redfish/v1/Systems/system")
         {