From 99667048cc6c137cd2c525bee1d2b0d55caf4266 Mon Sep 17 00:00:00 2001
From: Jason Dove <1695733+jasongdove@users.noreply.github.com>
Date: Sun, 18 Jan 2026 09:05:39 -0600
Subject: [PATCH] fix z-index sorting in graphics engine

---
 CHANGELOG.md                                                 | 4 +++-
 ErsatzTV.Infrastructure/Streaming/Graphics/GraphicsEngine.cs | 2 +-
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6a155a91a..9e3bf2a4a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -25,7 +25,9 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 
 ### Fixed
 - Use code signing on all Windows executables (`ErsatzTV-Windows.exe`, `ErsatzTV.exe`, `ErsatzTV.Scanner.exe`)
-- Respect `z_index` (draw order) on all graphics element types
+- Graphics engine:
+  - Respect `z_index` (draw order) on all graphics element types
+  - Fix bug with `z_index` sorting
 - Restore default UI font that was erroneously removed in v26.1.1
 - Use configured searching log level on startup, instead of the default log level of `Information`
 - MySql: fix searching for shows and seasons in schedule items editor
diff --git a/ErsatzTV.Infrastructure/Streaming/Graphics/GraphicsEngine.cs b/ErsatzTV.Infrastructure/Streaming/Graphics/GraphicsEngine.cs
index 5a05c9d14..47af8670e 100644
--- a/ErsatzTV.Infrastructure/Streaming/Graphics/GraphicsEngine.cs
+++ b/ErsatzTV.Infrastructure/Streaming/Graphics/GraphicsEngine.cs
@@ -156,7 +156,7 @@ public class GraphicsEngine(
                     }
                 }
 
-                preparedElementImages.Sort((a, _) => a.ZIndex);
+                preparedElementImages.Sort((a, b) => a.ZIndex.CompareTo(b.ZIndex));
 
                 Memory<byte> memory = pipeWriter.GetMemory(frameBufferSize);