diff --git a/brainles_aurora/inferer/constants.py b/brainles_aurora/inferer/constants.py
index b43ab68..7baae07 100644
--- a/brainles_aurora/inferer/constants.py
+++ b/brainles_aurora/inferer/constants.py
@@ -80,3 +80,7 @@ class Device(str, Enum):
     """Use GPU (CUDA)"""
     AUTO = "auto"
     """Attempt to use GPU, fallback to CPU."""
+
+
+WEIGHTS_DIR = "weights"
+"""Directory name to store model weights."""
diff --git a/brainles_aurora/inferer/model.py b/brainles_aurora/inferer/model.py
index 43b8bf5..71b69a0 100644
--- a/brainles_aurora/inferer/model.py
+++ b/brainles_aurora/inferer/model.py
@@ -8,7 +8,7 @@
 import numpy as np
 import torch
 from brainles_aurora.inferer.config import AuroraInfererConfig
-from brainles_aurora.inferer.constants import InferenceMode, Output
+from brainles_aurora.inferer.constants import InferenceMode, Output, WEIGHTS_DIR
 from brainles_aurora.inferer.data import DataHandler
 from brainles_aurora.utils import download_model_weights
 from monai.inferers import SlidingWindowInferer
@@ -41,7 +41,7 @@ def __init__(
         self.inference_mode = None
         # download weights if not present
         self.lib_path: str = Path(os.path.dirname(os.path.abspath(__file__)))
-        self.model_weights_folder = self.lib_path.parent / "model_weights"
+        self.model_weights_folder = self.lib_path.parent / WEIGHTS_DIR
         if not self.model_weights_folder.exists():
             download_model_weights(target_folder=str(self.model_weights_folder))