diff --git a/lib/ansible/utils/plugins.py b/lib/ansible/utils/plugins.py
index 14953d8f44a..4606f6cee31 100644
--- a/lib/ansible/utils/plugins.py
+++ b/lib/ansible/utils/plugins.py
@@ -165,7 +165,7 @@ class PluginLoader(object):
             else:
                 suffixes = ['.py', '']
 
-        potential_names = frozenset('%s%s' % (name, s) for s in suffixes)
+        potential_names = list('%s%s' % (name, s) for s in suffixes)
         for full_name in potential_names:
             if full_name in self._plugin_path_cache:
                 return self._plugin_path_cache[full_name]