From d86a4d681572cdabc79efe47f5719d2761d84a3e Mon Sep 17 00:00:00 2001
From: ExpctING <wang812584596@gmail.com>
Date: Sat, 25 Apr 2026 16:38:21 +0800
Subject: [PATCH] fix chapter average calculation to avoid division by zero
 error.

Co-authored-by: Copilot <copilot@github.com>
---
 Emby.Server.Implementations/Chapters/ChapterManager.cs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Emby.Server.Implementations/Chapters/ChapterManager.cs b/Emby.Server.Implementations/Chapters/ChapterManager.cs
index a2d7d7d7fb..f24c975c14 100644
--- a/Emby.Server.Implementations/Chapters/ChapterManager.cs
+++ b/Emby.Server.Implementations/Chapters/ChapterManager.cs
@@ -108,7 +108,7 @@ public class ChapterManager : IChapterManager
             sum += chapters[i].StartPositionTicks - chapters[i - 1].StartPositionTicks;
         }
 
-        return sum / chapters.Count;
+        return sum / (chapters.Count - 1);
     }
 
     /// <inheritdoc />