diff --git a/OpenDreamClient/Interface/Controls/ControlBrowser.cs b/OpenDreamClient/Interface/Controls/ControlBrowser.cs
index c49169b0f6..6c0eeb9933 100644
--- a/OpenDreamClient/Interface/Controls/ControlBrowser.cs
+++ b/OpenDreamClient/Interface/Controls/ControlBrowser.cs
@@ -62,7 +62,7 @@ public override void Output(string value, string? jsFunction) {
     }
 
     public void SetFileSource(ResPath filepath, bool userData) {
-        _webView.Url = (userData ? "usr://_/" : "res://_/") + filepath;
+        _webView.Url = (userData ? "usr://127.0.0.1/" : "res://127.0.0.1/") + filepath; // hostname must be the localhost IP for TGUI to work properly
     }
 
     private void BeforeBrowseHandler(IBeforeBrowseContext context) {