diff --git a/src/anemoi/models/interface/__init__.py b/src/anemoi/models/interface/__init__.py
index c15d2ca3..85545e6e 100644
--- a/src/anemoi/models/interface/__init__.py
+++ b/src/anemoi/models/interface/__init__.py
@@ -10,7 +10,7 @@
 import uuid
 
 import torch
-from anemoi.utils.config import DotConfig
+from anemoi.utils.config import DotDict
 from hydra.utils import instantiate
 
 from anemoi.models.data_indices.collection import IndexCollection
@@ -22,7 +22,7 @@ class AnemoiModelInterface(torch.nn.Module):
     """Anemoi model on torch level."""
 
     def __init__(
-        self, *, config: DotConfig, graph_data: dict, statistics: dict, data_indices: IndexCollection, metadata: dict
+        self, *, config: DotDict, graph_data: dict, statistics: dict, data_indices: IndexCollection, metadata: dict
     ) -> None:
         super().__init__()
         self.config = config
diff --git a/src/anemoi/models/models/encoder_processor_decoder.py b/src/anemoi/models/models/encoder_processor_decoder.py
index 682e1058..8203bd84 100644
--- a/src/anemoi/models/models/encoder_processor_decoder.py
+++ b/src/anemoi/models/models/encoder_processor_decoder.py
@@ -12,7 +12,7 @@
 
 import einops
 import torch
-from anemoi.utils.config import DotConfig
+from anemoi.utils.config import DotDict
 from hydra.utils import instantiate
 from torch import Tensor
 from torch import nn
@@ -32,7 +32,7 @@ class AnemoiModelEncProcDec(nn.Module):
     def __init__(
         self,
         *,
-        config: DotConfig,
+        config: DotDict,
         data_indices: IndexCollection,
         graph_data: dict,
     ) -> None:
@@ -130,7 +130,7 @@ def _assert_matching_indices(self, data_indices: dict) -> None:
             self._internal_output_idx,
         ), f"Model indices must match {self._internal_input_idx} != {self._internal_output_idx}"
 
-    def _define_tensor_sizes(self, config: DotConfig, graph_data: dict) -> None:
+    def _define_tensor_sizes(self, config: DotDict, graph_data: dict) -> None:
         # Define Sizes of different tensors
         self.num_nodes = {name: graph_data[name]["coords"].shape[0] for name in self._graph_mesh_names}
         self.num_node_features = {name: 2 * graph_data[name]["coords"].shape[1] for name in self._graph_mesh_names}