diff -r 4bb035f9750f -r 70d4ef38b90e core/smn_core.cpp
--- a/core/smn_core.cpp	Sun Oct 05 04:19:39 2008 -0700
+++ b/core/smn_core.cpp	Sun Oct 05 15:20:17 2008 -0700
@@ -622,6 +622,11 @@
 	return pPlugin->GetMyHandle();
 }
 
+static cell_t VerifyCoreVersion(IPluginContext *pContext, const cell_t *params)
+{
+	return 4;
+}
+
 REGISTER_NATIVES(coreNatives)
 {
 	{"AutoExecConfig",			AutoExecConfig},
@@ -645,6 +650,7 @@
 	{"LogToFileEx",				LogToFileEx},
 	{"GetExtensionFileStatus",	GetExtensionFileStatus},
 	{"FindPluginByNumber",		FindPluginByNumber},
+	{"VerifyCoreVersion",		VerifyCoreVersion},
 	{NULL,						NULL},
 };