From 9606a2a710614404b4dda96cceff688314a1ec89 Mon Sep 17 00:00:00 2001
From: Luke Pulverenti <luke.pulverenti@gmail.com>
Date: Thu, 24 Nov 2016 11:29:23 -0500
Subject: filter duplicate recordings based on showId

---
 Emby.Server.Implementations/HttpServer/HttpResultFactory.cs | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'Emby.Server.Implementations/HttpServer')

diff --git a/Emby.Server.Implementations/HttpServer/HttpResultFactory.cs b/Emby.Server.Implementations/HttpServer/HttpResultFactory.cs
index f65331ec7..313db6a75 100644
--- a/Emby.Server.Implementations/HttpServer/HttpResultFactory.cs
+++ b/Emby.Server.Implementations/HttpServer/HttpResultFactory.cs
@@ -100,7 +100,8 @@ namespace Emby.Server.Implementations.HttpServer
                 responseHeaders = new Dictionary<string, string>();
             }
 
-            if (addCachePrevention)
+            string expires;
+            if (addCachePrevention && !responseHeaders.TryGetValue("Expires", out expires))
             {
                 responseHeaders["Expires"] = "-1";
             }
-- 
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