2 files changed, 6 insertions, 2 deletions
diff --git a/MediaBrowser.Server.Implementations/LiveTv/EmbyTV/EmbyTV.cs b/MediaBrowser.Server.Implementations/LiveTv/EmbyTV/EmbyTV.cs
index ea64950abe..cd91684ce1 100644
--- a/MediaBrowser.Server.Implementations/LiveTv/EmbyTV/EmbyTV.cs
+++ b/MediaBrowser.Server.Implementations/LiveTv/EmbyTV/EmbyTV.cs
@@ -239,7 +239,11 @@ namespace MediaBrowser.Server.Implementations.LiveTv.EmbyTV
 
         public Task CancelSeriesTimerAsync(string timerId, CancellationToken cancellationToken)
         {
-            var timers = _timerProvider.GetAll().Where(i => string.Equals(i.SeriesTimerId, timerId, StringComparison.OrdinalIgnoreCase));
+            var timers = _timerProvider
+                .GetAll()
+                .Where(i => string.Equals(i.SeriesTimerId, timerId, StringComparison.OrdinalIgnoreCase))
+                .ToList();
+
             foreach (var timer in timers)
             {
                 CancelTimerInternal(timer.Id);
diff --git a/MediaBrowser.Server.Implementations/LiveTv/EmbyTV/ItemDataProvider.cs b/MediaBrowser.Server.Implementations/LiveTv/EmbyTV/ItemDataProvider.cs
index f46daa6d50..b29a7562cf 100644
--- a/MediaBrowser.Server.Implementations/LiveTv/EmbyTV/ItemDataProvider.cs
+++ b/MediaBrowser.Server.Implementations/LiveTv/EmbyTV/ItemDataProvider.cs
@@ -13,7 +13,7 @@ namespace MediaBrowser.Server.Implementations.LiveTv.EmbyTV
         where T : class
     {
         private readonly object _fileDataLock = new object();
-        private List<T> _items;
+        private volatile List<T> _items;
         private readonly IJsonSerializer _jsonSerializer;
         protected readonly ILogger Logger;
         private readonly string _dataPath;