diff --git a/public/icvar.h b/public/icvar.h
index 608dad3b..d074f8f2 100644
--- a/public/icvar.h
+++ b/public/icvar.h
@@ -125,6 +125,9 @@ public:
 	// so all ConVarRefs would still be valid as well as searching for it.
 	// Expects ref to have registered index to be set (is set on convar creation)
 	virtual void				UnregisterConVarCallbacks( ConVarRef cvar ) = 0;
+	// Prevents default value initialisation on convars if state equals true and queues them instead,
+	// unlocks and initialises queued convars to default values if state is false
+	virtual void				LockConVarValueInitialisation( bool state ) = 0;
 	// Returns convar data or nullptr if not found
 	virtual ConVarData*			GetConVarData( ConVarRef cvar ) = 0;