diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 1c6d5e7..63ca18b 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -41,7 +41,7 @@ repos:
       - id: pyupgrade
         args: [--py3-plus]
   - repo: https://github.com/psf/black
-    rev: 23.1.0
+    rev: 23.3.0
     hooks:
       - id: black
         language_version: python3
diff --git a/VERSION b/VERSION
index 1545d96..d5c0c99 100755
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-3.5.0
+3.5.1
diff --git a/modules/qbittorrent.py b/modules/qbittorrent.py
index 27e82b9..c26a274 100755
--- a/modules/qbittorrent.py
+++ b/modules/qbittorrent.py
@@ -547,7 +547,7 @@ class Qbt:
                             # If neither set, use 0 (no limit)
                             min_seeding_time = 0
                             if (
-                                tracker["min_seeding_time"]
+                                tracker["min_seeding_time"] is not None
                                 and tracker["min_seeding_time"] >= nohardlinks[category]["min_seeding_time"]
                             ):
                                 min_seeding_time = tracker["min_seeding_time"]
@@ -559,7 +559,7 @@ class Qbt:
                             # If both tracker and nohardlinks category setting is set, use the larger of the two
                             # If neither set, use -1 (no limit)
                             max_ratio = -1
-                            if tracker["max_ratio"] and tracker["max_ratio"] >= nohardlinks[category]["max_ratio"]:
+                            if tracker["max_ratio"] is not None and tracker["max_ratio"] >= nohardlinks[category]["max_ratio"]:
                                 max_ratio = tracker["max_ratio"]
                             elif nohardlinks[category]["max_ratio"]:
                                 max_ratio = nohardlinks[category]["max_ratio"]
@@ -570,13 +570,12 @@ class Qbt:
                             # If neither set, use -1 (no limit)
                             max_seeding_time = -1
                             if (
-                                tracker["max_seeding_time"]
+                                tracker["max_seeding_time"] is not None
                                 and tracker["max_seeding_time"] >= nohardlinks[category]["max_seeding_time"]
                             ):
                                 max_seeding_time = tracker["max_seeding_time"]
                             elif nohardlinks[category]["max_seeding_time"]:
                                 max_seeding_time = nohardlinks[category]["max_seeding_time"]
-
                             # Will only tag new torrents that don't have nohardlinks_tag tag
                             if self.config.nohardlinks_tag not in torrent.tags:
                                 add_tag_no_hl(add_tag=True)