diff --git a/gym/data/download_d4rl_datasets.py b/gym/data/download_d4rl_datasets.py
index 5751ceeb..8dde33ae 100644
--- a/gym/data/download_d4rl_datasets.py
+++ b/gym/data/download_d4rl_datasets.py
@@ -10,7 +10,7 @@
 datasets = []
 
 for env_name in ['halfcheetah', 'hopper', 'walker2d']:
-	for dataset_type in ['medium', 'medium-replay', 'expert']:
+	for dataset_type in ['medium-expert', 'medium', 'medium-replay', 'expert']:
 		name = f'{env_name}-{dataset_type}-v2'
 		env = gym.make(name)
 		dataset = env.get_dataset()