diff --git a/src/tappsettings.cpp b/src/tappsettings.cpp
index 3c3b50154..50e097665 100644
--- a/src/tappsettings.cpp
+++ b/src/tappsettings.cpp
@@ -38,6 +38,7 @@ class AttributeMap : public QMap<int, QString>
         insert(Tf::EnableCsrfProtectionModule, "EnableCsrfProtectionModule");
         insert(Tf::EnableHttpMethodOverride, "EnableHttpMethodOverride");
         insert(Tf::HttpKeepAliveTimeout, "HttpKeepAliveTimeout");
+        insert(Tf::LDPreload, "LDPreload");
         insert(Tf::SessionName, "Session.Name");
         insert(Tf::SessionStoreType, "Session.StoreType");
         insert(Tf::SessionAutoIdRegeneration, "Session.AutoIdRegeneration");