diff --git a/Database/IOVDbSvc/src/Json2Cool.cxx b/Database/IOVDbSvc/src/Json2Cool.cxx
index 96a82e1255eee9408ec3bbfb08bbd34433c2bdfb..b76d8c21b66767b39fd45fd1bfcee1f8a4658122 100644
--- a/Database/IOVDbSvc/src/Json2Cool.cxx
+++ b/Database/IOVDbSvc/src/Json2Cool.cxx
@@ -233,7 +233,7 @@ namespace IOVDbNamespace{
 	case StorageType::String64k:
 	case StorageType::String16M:
 	  {
-	    att.setValue<std::string>(strVal);
+	    att.setValue<std::string>(thisVal.get<std::string>());
 	    break;
 	  }
 	case StorageType::Blob128M: