diff --git a/src/dataset_preparer.py b/src/dataset_preparer.py
index 95bca49..0e1ea74 100644
--- a/src/dataset_preparer.py
+++ b/src/dataset_preparer.py
@@ -22,7 +22,7 @@ def __init__(self, dataset_name, files):
         self.dataset_name = dataset_name
         self.files = files
         self.dataset_dir = f"data/{self.dataset_name}/"
-        self.filename = leipzig
+        self.filename = "leipzig"
         logging.basicConfig(level=logging.INFO)
 
     def download(self):