diff --git a/package_control/package_manager.py b/package_control/package_manager.py
index 7507937a..17bbbc19 100644
--- a/package_control/package_manager.py
+++ b/package_control/package_manager.py
@@ -797,6 +797,7 @@ def list_default_packages(self):
         """
 
         packages = set(list_sublime_package_files(sys_path.default_packages_path()))
+        packages |= set(list_sublime_package_dirs(sys_path.default_packages_path()))
         packages -= {'User'}
         return packages