diff --git a/project/code/TMV/InstallPaths.cs b/project/code/TMV/InstallPaths.cs
index 44da648..56f3298 100644
--- a/project/code/TMV/InstallPaths.cs
+++ b/project/code/TMV/InstallPaths.cs
@@ -21,7 +21,12 @@ public class InstallPaths
 
         rootPath = root;
         famPath = Directory.GetFiles(rootPath, "fam.crf", searchOptions)[0];
-        var installCfgPath = Directory.GetFiles(rootPath, "install.cfg", searchOptions)[0];
+        var paths = Directory.GetFiles(rootPath, "install.cfg", searchOptions);
+        if (paths.Length == 0)
+        {
+            paths = Directory.GetFiles(rootPath, "darkinst.cfg", searchOptions);
+        }
+        var installCfgPath = paths[0];
         GD.Print($"Install.cfg: {installCfgPath}");
         foreach (var line in File.ReadLines(installCfgPath))
         {