diff --git a/tibi_hardlinks/backups.py b/tibi_hardlinks/backups.py
index cee256b..39dbf44 100644
--- a/tibi_hardlinks/backups.py
+++ b/tibi_hardlinks/backups.py
@@ -33,9 +33,9 @@ def create_backup_directory_name(backup_info, time_format="%Y-%m-%d_%H-%M-%S"):
     return backup_directory_name
 
 
-def find_backup_data(backup_filepath: Path, backup_info):
-    # find the path of the *.apk, *.properties, and *.tar(.gz) corresponding to backup_filepath
-    backup_root = backup_filepath.parent
+def find_backup_data(property_file: Path, backup_info):
+    # find the path of the *.apk, *.properties, and *.tar(.gz) corresponding to property_file
+    backup_root = property_file.parent
     try:
         apk_hash = backup_info["app_apk_md5"]
         apk_file = filter(
@@ -43,7 +43,7 @@ def find_backup_data(backup_filepath: Path, backup_info):
         )
     except KeyError:
         apk_file = None
-    related_files = list(backup_root.glob(backup_filepath.stem + "*"))
+    related_files = list(backup_root.glob(property_file.stem + "*"))
     if len(related_files) > 2:
         raise Exception
     tar_file = None
@@ -51,7 +51,7 @@ def find_backup_data(backup_filepath: Path, backup_info):
         if ".tar" in filename.name:
             tar_file = filename
 
-    property_file = backup_filepath
+    property_file = property_file
     return {"property_file": property_file, "apk_file": apk_file, "tar_file": tar_file}
 
 
@@ -59,7 +59,7 @@ class Backup:
     def __init__(self, property_file: Path):
         self.property_file = property_file
         self.backup_info = read_backup_properties(property_file)
-        self.related_files = find_backup_data(self.backup_filepath, self.backup_info)
+        self.related_files = find_backup_data(self.property_file, self.backup_info)
 
     def hardlink_to(self, dest):
         for filepath in self.related_files.values():