diff --git a/stepmania/src/LuaReference.cpp b/stepmania/src/LuaReference.cpp
index a85432f1a9..a958dc978e 100644
--- a/stepmania/src/LuaReference.cpp
+++ b/stepmania/src/LuaReference.cpp
@@ -116,7 +116,7 @@ int LuaReference::GetLuaType() const
 
 void LuaReference::Unregister()
 {
-	if( LUA == NULL )
+	if( LUA == NULL || m_iReference == LUA_NOREF )
 		return; // nothing to do
 
 	Lua *L = LUA->Get();