index 44ce18d71a0..c4731e559e1 100644
--- a/x_/x_sfscript.nss
+++ b/x_/x_sfscript.nss
@@ -576,5 +576,6 @@ string GetResRefErfPrefix(string sResRef);
 int GetResRefErfId(string sResRef);
 int GetResRefErfServers(string sResRef);
 void PrintToStdErr(string sPrint);
 void PrintToStdOut(string sPrint);
 int IsOnSinfarWorld();
+void PrepareToDestroy(object oObject);