diff --git a/lib/pub_cache.dart b/lib/pub_cache.dart
index 13bd907..21f3640 100644
--- a/lib/pub_cache.dart
+++ b/lib/pub_cache.dart
@@ -34,12 +34,6 @@
   List<Application> _applications;
   List<PackageRef> _packageRefs;
 
-  String get _hostedPackageDirectoryName {
-    final url = Uri.parse(
-        Platform.environment['PUB_HOSTED_URL'] ?? 'https://pub.dartlang.org');
-    return url.host;
-  }
-
   /// Create a pubcache instance. [dir] defaults to the default platform pub
   /// cache location.
   PubCache([Directory dir])
@@ -116,7 +110,7 @@
     _packageRefs = <PackageRef>[];
 
     Directory dartlangDir = new Directory(
-        path.join(location.path, 'hosted', _hostedPackageDirectoryName));
+        path.join(location.path, 'hosted', _getHostedPackageDirectoryName()));
     if (dartlangDir.existsSync()) {
       _packageRefs.addAll(dartlangDir
           .listSync()
@@ -139,6 +133,12 @@
 
   Directory _getSubDir(Directory dir, String name) =>
       new Directory(path.join(dir.path, name));
+
+  String _getHostedPackageDirectoryName() {
+    final url = Uri.parse(
+        Platform.environment['PUB_HOSTED_URL'] ?? 'https://pub.dartlang.org');
+    return url.host;
+  }
 }
 
 /// A Dart application; a package with an entry-point, available via `pub global