diff --git a/omv_backup.py b/omv_backup.py
index a0a2f04..2c77fa2 100755
--- a/omv_backup.py
+++ b/omv_backup.py
@@ -634,9 +634,9 @@ if _BACKUP:
                                 epoch_time = int(dt.timestamp())
                                 now_epoch = int(datetime.datetime.now().timestamp())
                                 x = now_epoch - epoch_time
-                                logging.info(epoch_time)  # Output: 45
-                                if x > "2592000":
-                                    dir_path = "{BACKUP_ROOT}/{f}"
+                                # logging.info(epoch_time)  # Output: 45
+                                if x > 2592000:
+                                    dir_path = f"{BACKUP_ROOT}/{f}"
                                     logging.info(f"removing {dir_path}")
                                     shutil.rmtree(dir_path)
                             else: