index 04cce5c712b..ad5529458c0 100644
--- a/x_/x_sfscript.nss
+++ b/x_/x_sfscript.nss
@@ -578,11 +578,11 @@ int GetResRefErfServers(string sResRef);
 void PrintToStdErr(string sPrint);
 void PrintToStdOut(string sPrint);
 int IsOnSinfarWorld();
 void PrepareToDestroy(object oObject);
 int GetScriptExecuteStackPointer();
-int GetScriptNameByExecuteIndex(int nExecuteIndex);
+string GetScriptNameByExecuteIndex(int nExecuteIndex);
 int GetActionGroupId(object oObject, int nAction);
 int GetActionParamCount(object oObject, int nAction);
 int GetActionParamType(object oObject, int nAction, int nParam);
 int GetActionParamInt(object oObject, int nAction, int nParam);
 float GetActionParamFloat(object oObject, int nAction, int nParam);