diff --git a/UnionPatcher.Gui/Forms/ModeSelectionForm.cs b/UnionPatcher.Gui/Forms/ModeSelectionForm.cs
index e8bf97c..ec8ed8a 100644
--- a/UnionPatcher.Gui/Forms/ModeSelectionForm.cs
+++ b/UnionPatcher.Gui/Forms/ModeSelectionForm.cs
@@ -35,7 +35,7 @@ public class ModeSelectionForm : Form {
         // If we're on macOS then set the CWD to the app bundle MacOS folder, so that SCETool can be found.
         if (OSUtil.GetPlatform() == OSPlatform.OSX) Directory.SetCurrentDirectory(OSUtil.GetExecutablePath());
         
-        if (!Directory.Exists(OSUtil.GetExecutablePath()+"/scetool"))
+        if (!Directory.Exists($"{OSUtil.GetExecutablePath()}/scetool"))
         {
             // This will always occur on macOS, so don't show this message for macOS users.
             if (OSUtil.GetPlatform() != OSPlatform.OSX) Gui.CreateOkDialog("Workaround Triggered", ".NET could not locate the required files, triggering workaround.");