diff --git a/src/Smithbox.Program/Application/Developer/Tools/WorldMapLayoutGenerator.cs b/src/Smithbox.Program/Application/Developer/Tools/WorldMapLayoutGenerator.cs
index d623cb981..1c4af20ac 100644
--- a/src/Smithbox.Program/Application/Developer/Tools/WorldMapLayoutGenerator.cs
+++ b/src/Smithbox.Program/Application/Developer/Tools/WorldMapLayoutGenerator.cs
@@ -2,6 +2,7 @@
 using StudioCore.Utilities;
 using System.Collections.Generic;
 using System.IO;
+using System;
 
 namespace StudioCore.Application;