diff --git a/environments/eval_environments/gsm8k_eval.py b/environments/eval_environments/gsm8k_eval.py
index 245c8253..d0ad2256 100644
--- a/environments/eval_environments/gsm8k_eval.py
+++ b/environments/eval_environments/gsm8k_eval.py
@@ -128,6 +128,7 @@ class GSM8KEvalEnv(BaseEnv):
     """
 
     name = "gsm8k_eval"
+    env_config_cls = GSM8KEvalConfig
 
     def __init__(
         self,