diff --git a/redbot/cogs/downloader/repo_manager.py b/redbot/cogs/downloader/repo_manager.py
index e6c47b9b1..bdd91a69c 100644
--- a/redbot/cogs/downloader/repo_manager.py
+++ b/redbot/cogs/downloader/repo_manager.py
@@ -155,7 +155,8 @@ class Repo(RepoJSONMixin):
         for file_finder, name, is_pkg in pkgutil.walk_packages(
             path=[str(self.folder_path)], onerror=lambda name: None
         ):
-            curr_modules.append(Installable(location=self.folder_path / name))
+            if is_pkg:
+                curr_modules.append(Installable(location=self.folder_path / name))
         self.available_modules = curr_modules
 
         # noinspection PyTypeChecker