diff --git a/nerfstudio/configs/method_configs.py b/nerfstudio/configs/method_configs.py
index f666b5ed1..6fb532e14 100644
--- a/nerfstudio/configs/method_configs.py
+++ b/nerfstudio/configs/method_configs.py
@@ -116,13 +116,13 @@ method_configs["instant-ngp"] = Config(
 method_configs["mipnerf"] = Config(
     method_name="mipnerf",
     pipeline=VanillaPipelineConfig(
-        datamanager=VanillaDataManagerConfig(dataparser=BlenderDataParserConfig(), train_num_rays_per_batch=8192),
+        datamanager=VanillaDataManagerConfig(dataparser=NerfstudioDataParserConfig(), train_num_rays_per_batch=1024),
         model=VanillaModelConfig(
             _target=MipNerfModel,
             loss_coefficients={"rgb_loss_coarse": 0.1, "rgb_loss_fine": 1.0},
             num_coarse_samples=128,
             num_importance_samples=128,
-            eval_num_rays_per_chunk=8192,
+            eval_num_rays_per_chunk=1024,
         ),
     ),
     optimizers={