diff --git a/redfish-core/lib/memory.hpp b/redfish-core/lib/memory.hpp
index d3bbc07..6d03514 100644
--- a/redfish-core/lib/memory.hpp
+++ b/redfish-core/lib/memory.hpp
@@ -373,7 +373,7 @@
         {
             if (boost::ends_with(*value, v))
             {
-                aResp->res.jsonValue["OperatingMemoryModes "] = v;
+                aResp->res.jsonValue["OperatingMemoryModes"].push_back(v);
                 break;
             }
         }
@@ -394,7 +394,7 @@
         {
             if (boost::ends_with(*value, v))
             {
-                aResp->res.jsonValue["MemoryMedia"] = v;
+                aResp->res.jsonValue["MemoryMedia"].push_back(v);
                 break;
             }
         }