diff --git a/test/data_directory.dart b/test/data_directory.dart
index 2b6e94a..72e33c6 100644
--- a/test/data_directory.dart
+++ b/test/data_directory.dart
@@ -27,7 +27,12 @@
 }
 
 String get intlDirectory {
-  var dir = path.fromUri(Platform.script);
+  var dir;
+  if (Platform.script.scheme == 'file') {
+    dir = path.fromUri(Platform.script);
+  } else {
+    dir = Directory.current.absolute.path;
+  }
   var root = path.rootPrefix(dir);
 
   while (dir != root) {