diff --git a/gym/spaces/dict_space.py b/gym/spaces/dict_space.py
index d338bcab4a1..c552657c3a6 100644
--- a/gym/spaces/dict_space.py
+++ b/gym/spaces/dict_space.py
@@ -12,7 +12,7 @@ def __init__(self, spaces):
         if isinstance(spaces, dict):
             spaces = OrderedDict(sorted(list(spaces.items())))
         if isinstance(spaces, list):
-            self.spaces = OrderedDict(spaces)
+            spaces = OrderedDict(spaces)
         self.spaces = spaces
 
     def sample(self):