diff --git a/src/Jackett.Common/Indexers/Definitions/AnimeBytes.cs b/src/Jackett.Common/Indexers/Definitions/AnimeBytes.cs
index 895009896..ea330821a 100644
--- a/src/Jackett.Common/Indexers/Definitions/AnimeBytes.cs
+++ b/src/Jackett.Common/Indexers/Definitions/AnimeBytes.cs
@@ -636,7 +636,7 @@ namespace Jackett.Common.Indexers.Definitions
         {
             var advancedSeasonRegex = new Regex(@"\b(?:(?<season>\d+)(?:st|nd|rd|th) Season|Season (?<season>\d+))\b", RegexOptions.Compiled | RegexOptions.IgnoreCase);
             var seasonCharactersRegex = new Regex(@"(I{2,})$", RegexOptions.Compiled);
-            var seasonNumberRegex = new Regex(@"\b(?<!Part[- ._])(?<!\d+[/])(?:S)?(?<season>[2-9])$", RegexOptions.Compiled);
+            var seasonNumberRegex = new Regex(@"\b(?<!Part[- ._])(?<!\d[/])(?:S)?(?<season>[2-9])$", RegexOptions.Compiled);
 
             foreach (var title in titles)
             {