diff -r f41db9ce560d -r 74c32429908e core/smn_console.cpp
--- a/core/smn_console.cpp	Wed Sep 16 13:38:04 2009 +1200
+++ b/core/smn_console.cpp	Wed Sep 16 22:37:20 2009 -0700
@@ -665,6 +665,12 @@
 	IPluginFunction *pFunction;
 
 	pContext->LocalToString(params[1], &name);
+
+	if (strcasecmp(name, "sm") == 0)
+	{
+		return pContext->ThrowNativeError("Cannot override \"sm\" command");
+	}
+
 	pContext->LocalToString(params[3], &help);
 	pFunction = pContext->GetFunctionById(params[2]);
 
@@ -687,6 +693,12 @@
 	IPluginFunction *pFunction;
 
 	pContext->LocalToString(params[1], &name);
+
+	if (strcasecmp(name, "sm") == 0)
+	{
+		return pContext->ThrowNativeError("Cannot override \"sm\" command");
+	}
+
 	pContext->LocalToString(params[3], &help);
 	pFunction = pContext->GetFunctionById(params[2]);
 
@@ -712,6 +724,12 @@
 	int cmdflags = params[6];
 
 	pContext->LocalToString(params[1], &name);
+
+	if (strcasecmp(name, "sm") == 0)
+	{
+		return pContext->ThrowNativeError("Cannot override \"sm\" command");
+	}
+
 	pContext->LocalToString(params[4], &help);
 	pContext->LocalToString(params[5], (char **)&group);
 	pFunction = pContext->GetFunctionById(params[2]);