diff --git a/sp/src/game/shared/mapbase/vscript_singletons.cpp b/sp/src/game/shared/mapbase/vscript_singletons.cpp
index 1be1e97c..a7b28151 100644
--- a/sp/src/game/shared/mapbase/vscript_singletons.cpp
+++ b/sp/src/game/shared/mapbase/vscript_singletons.cpp
@@ -5146,6 +5146,11 @@ bool CScriptConvarAccessor::Init()
 	AddBlockedConVar( "cl_allowdownload" );
 	AddBlockedConVar( "cl_allowupload" );
 	AddBlockedConVar( "cl_downloadfilter" );
+#ifdef GAME_DLL
+	AddBlockedConVar( "script_connect_debugger_on_mapspawn" );
+#else
+	AddBlockedConVar( "script_connect_debugger_on_mapspawn_client" );
+#endif
 
 	return true;
 }