diff --git a/open_spiel/python/games/chat_games/envs/base_envs/base_envs_test.py b/open_spiel/python/games/chat_games/envs/base_envs/base_envs_test.py
index 62a7303b06..c223b522f7 100644
--- a/open_spiel/python/games/chat_games/envs/base_envs/base_envs_test.py
+++ b/open_spiel/python/games/chat_games/envs/base_envs/base_envs_test.py
@@ -17,7 +17,7 @@
 from absl.testing import absltest
 from absl.testing import parameterized
 
-from open_spiel.python.games.chat_games.envs.base_envs import email
+from open_spiel.python.games.chat_games.envs.base_envs import email_plain
 from open_spiel.python.games.chat_games.envs.base_envs import email_with_tone
 from open_spiel.python.games.chat_games.envs.base_envs import email_with_tone_info
 from open_spiel.python.games.chat_games.envs.base_envs import schedule_meeting_with_info
@@ -28,7 +28,7 @@
 class BaseEnvsTest(parameterized.TestCase):
 
   @parameterized.parameters([
-      dict(base_env=email),
+      dict(base_env=email_plain),
       dict(base_env=email_with_tone),
       dict(base_env=email_with_tone_info),
       dict(base_env=schedule_meeting_with_info),
diff --git a/open_spiel/python/games/chat_games/envs/base_envs/email.py b/open_spiel/python/games/chat_games/envs/base_envs/email_plain.py
similarity index 100%
rename from open_spiel/python/games/chat_games/envs/base_envs/email.py
rename to open_spiel/python/games/chat_games/envs/base_envs/email_plain.py