diff --git a/llmfoundry/utils/config_utils.py b/llmfoundry/utils/config_utils.py
index 6b63cc669f..a2a8767b63 100644
--- a/llmfoundry/utils/config_utils.py
+++ b/llmfoundry/utils/config_utils.py
@@ -76,6 +76,9 @@ class EvalConfig:
     run_name: Optional[str] = None
     metadata: Optional[Dict[str, str]] = None
 
+    # Dataloader
+    global_train_batch_size: Optional[int] = None
+
     # Distributed parameters
     dist_timeout: Union[float, int] = 600.0
     fsdp_config: Optional[Dict[str, Any]] = None