diff --git a/src/cellmap_models/pytorch/cellpose/add_model.py b/src/cellmap_models/pytorch/cellpose/add_model.py
index d63d68c..d51a13d 100644
--- a/src/cellmap_models/pytorch/cellpose/add_model.py
+++ b/src/cellmap_models/pytorch/cellpose/add_model.py
@@ -1,3 +1,4 @@
+import os
 import sys
 from typing import Optional
 from cellpose.io import add_model as _add_model
@@ -15,7 +16,7 @@ def add_model(model_name: Optional[str] = None):
         model_name = sys.argv[1]
     base_path = MODEL_DIR
     get_model(model_name, base_path)
-    _add_model(str(base_path / f"{model_name}.pth"))
+    _add_model(os.path.join(base_path, f"{model_name}.pth"))
     print(
         f"Added model {model_name}. This will now be available in the cellpose model list."
     )
diff --git a/src/cellmap_models/pytorch/cellpose/get_model.py b/src/cellmap_models/pytorch/cellpose/get_model.py
index 0122dca..2ea7188 100644
--- a/src/cellmap_models/pytorch/cellpose/get_model.py
+++ b/src/cellmap_models/pytorch/cellpose/get_model.py
@@ -1,3 +1,4 @@
+import os
 from pathlib import Path
 from cellpose.utils import download_url_to_file
 
@@ -20,10 +21,10 @@ def get_model(
             f"Model {model_name} is not available. Available models are {list(models_dict.keys())}."
         )
 
-    if not (base_path / f"{model_name}.pth").exists():
+    if not Path(base_path / f"{model_name}.pth").exists():
         print(f"Downloading {model_name} from {models_dict[model_name]}")
         download_url_to_file(
-            models_dict[model_name], str(base_path / f"{model_name}.pth")
+            models_dict[model_name], os.path.join(base_path, f"{model_name}.pth")
         )
     print("Downloaded model {model_name} to {base_path}.")
     return