diff --git a/UnitTests/BaseTestRoot.cs b/UnitTests/BaseTestRoot.cs
index a1c9957..6d240e1 100644
--- a/UnitTests/BaseTestRoot.cs
+++ b/UnitTests/BaseTestRoot.cs
@@ -14,7 +14,12 @@ public BaseTestRoot() {
                 path = Environment.GetEnvironmentVariable("CSHARP_XMLRESOLVER_ROOT");
                 if (string.IsNullOrEmpty(path))
                 {
-                    path = "/tmp"; // It won't work, but it's somewhere...
+                    //the path is for example C:\work\xmlresolvercs\UnitTests\bin\Debug\net8.0
+                    path = Path.GetFullPath("./../../../..");
+                    if (!Directory.Exists(path))
+                    {
+                        path = "/tmp"; // It won't work, but it's somewhere...
+                    }
                 }
             }