diff --git a/redbot/cogs/downloader/repo_manager.py b/redbot/cogs/downloader/repo_manager.py
index 80581308c..a12ec9030 100644
--- a/redbot/cogs/downloader/repo_manager.py
+++ b/redbot/cogs/downloader/repo_manager.py
@@ -173,9 +173,7 @@ class Repo(RepoJSONMixin):
                         Installable(location=name)
                     )
         """
-        for file_finder, name, is_pkg in pkgutil.walk_packages(
-            path=[str(self.folder_path)], onerror=lambda name: None
-        ):
+        for file_finder, name, is_pkg in pkgutil.iter_modules(path=[str(self.folder_path)]):
             if is_pkg:
                 curr_modules.append(Installable(location=self.folder_path / name))
         self.available_modules = curr_modules