diff --git a/src/stamp/encoding/encoder/__init__.py b/src/stamp/encoding/encoder/__init__.py
index 0a3c7c6..ca12421 100644
--- a/src/stamp/encoding/encoder/__init__.py
+++ b/src/stamp/encoding/encoder/__init__.py
@@ -62,7 +62,7 @@ def encode_slides_(
 
         for tile_feats_filename in (progress := tqdm(os.listdir(feat_dir))):
             h5_path = os.path.join(feat_dir, tile_feats_filename)
-            slide_name: str = Path(tile_feats_filename).stem
+            slide_name: str = Path(tile_feats_filename).name
             progress.set_description(slide_name)
 
             # skip patient in case feature file already exists