diff --git a/MediaBrowser.Controller/Entities/BaseItem.cs b/MediaBrowser.Controller/Entities/BaseItem.cs
index 9d1a45689..0860cb61c 100644
--- a/MediaBrowser.Controller/Entities/BaseItem.cs
+++ b/MediaBrowser.Controller/Entities/BaseItem.cs
@@ -1878,7 +1878,7 @@ namespace MediaBrowser.Controller.Entities
                 return new ItemImageInfo
                 {
                     Path = path,
-                    DateModified = FileSystem.GetLastWriteTimeUtc(path),
+                    DateModified = chapter.ImageDateModified,
                     Type = imageType
                 };
             }
diff --git a/MediaBrowser.Model/Entities/ChapterInfo.cs b/MediaBrowser.Model/Entities/ChapterInfo.cs
index 9da7a9caa..7e5700965 100644
--- a/MediaBrowser.Model/Entities/ChapterInfo.cs
+++ b/MediaBrowser.Model/Entities/ChapterInfo.cs
@@ -1,4 +1,5 @@
-
+using System;
+
 namespace MediaBrowser.Model.Entities
 {
     /// <summary>
@@ -23,5 +24,6 @@ namespace MediaBrowser.Model.Entities
         /// </summary>
         /// <value>The image path.</value>
         public string ImagePath { get; set; }
+        public DateTime ImageDateModified { get; set; }
     }
 }
diff --git a/MediaBrowser.Server.Implementations/Dto/DtoService.cs b/MediaBrowser.Server.Implementations/Dto/DtoService.cs
index 8bd1e5e62..3e009d210 100644
--- a/MediaBrowser.Server.Implementations/Dto/DtoService.cs
+++ b/MediaBrowser.Server.Implementations/Dto/DtoService.cs
@@ -863,7 +863,7 @@ namespace MediaBrowser.Server.Implementations.Dto
                 {
                     Path = chapterInfo.ImagePath,
                     Type = ImageType.Chapter,
-                    DateModified = _fileSystem.GetLastWriteTimeUtc(chapterInfo.ImagePath)
+                    DateModified = chapterInfo.ImageDateModified
                 });
             }
 
diff --git a/MediaBrowser.Server.Implementations/MediaEncoder/EncodingManager.cs b/MediaBrowser.Server.Implementations/MediaEncoder/EncodingManager.cs
index b1b2072c4..7f709d084 100644
--- a/MediaBrowser.Server.Implementations/MediaEncoder/EncodingManager.cs
+++ b/MediaBrowser.Server.Implementations/MediaEncoder/EncodingManager.cs
@@ -152,6 +152,7 @@ namespace MediaBrowser.Server.Implementations.MediaEncoder
                             }
 
                             chapter.ImagePath = path;
+                            chapter.ImageDateModified = _fileSystem.GetLastWriteTimeUtc(path);
                             changesMade = true;
                         }
                         catch (Exception ex)
@@ -170,6 +171,7 @@ namespace MediaBrowser.Server.Implementations.MediaEncoder
                 else if (!string.Equals(path, chapter.ImagePath, StringComparison.OrdinalIgnoreCase))
                 {
                     chapter.ImagePath = path;
+                    chapter.ImageDateModified = _fileSystem.GetLastWriteTimeUtc(path);
                     changesMade = true;
                 }
             }
diff --git a/MediaBrowser.Server.Implementations/Persistence/CleanDatabaseScheduledTask.cs b/MediaBrowser.Server.Implementations/Persistence/CleanDatabaseScheduledTask.cs
index 4235f6073..c321e5f01 100644
--- a/MediaBrowser.Server.Implementations/Persistence/CleanDatabaseScheduledTask.cs
+++ b/MediaBrowser.Server.Implementations/Persistence/CleanDatabaseScheduledTask.cs
@@ -151,7 +151,7 @@ namespace MediaBrowser.Server.Implementations.Persistence
         {
             IEnumerable<BaseItem> items;
             int numItemsToSave;
-            var pageSize = 2000;
+            var pageSize = 1000;
 
             if (totalRecordCount.HasValue)
             {
diff --git a/MediaBrowser.Server.Implementations/Persistence/SqliteItemRepository.cs b/MediaBrowser.Server.Implementations/Persistence/SqliteItemRepository.cs
index 31388661b..93f58b399 100644
--- a/MediaBrowser.Server.Implementations/Persistence/SqliteItemRepository.cs
+++ b/MediaBrowser.Server.Implementations/Persistence/SqliteItemRepository.cs
@@ -278,6 +278,8 @@ namespace MediaBrowser.Server.Implementations.Persistence
             _connection.AddColumn(Logger, "UserDataKeys", "Priority", "INT");
             _connection.AddColumn(Logger, "ItemValues", "CleanValue", "Text");
 
+            _connection.AddColumn(Logger, ChaptersTableName, "ImageDateModified", "DATETIME");
+
             string[] postQueries =
 
                                 {
@@ -591,6 +593,7 @@ namespace MediaBrowser.Server.Implementations.Persistence
             _saveChapterCommand.Parameters.Add(_saveChapterCommand, "@StartPositionTicks");
             _saveChapterCommand.Parameters.Add(_saveChapterCommand, "@Name");
             _saveChapterCommand.Parameters.Add(_saveChapterCommand, "@ImagePath");
+            _saveChapterCommand.Parameters.Add(_saveChapterCommand, "@ImageDateModified");
 
             // MediaStreams
             _deleteStreamsCommand = _connection.CreateCommand();
@@ -1497,7 +1500,7 @@ namespace MediaBrowser.Server.Implementations.Persistence
 
             using (var cmd = _connection.CreateCommand())
             {
-                cmd.CommandText = "select StartPositionTicks,Name,ImagePath from " + ChaptersTableName + " where ItemId = @ItemId order by ChapterIndex asc";
+                cmd.CommandText = "select StartPositionTicks,Name,ImagePath,ImageDateModified from " + ChaptersTableName + " where ItemId = @ItemId order by ChapterIndex asc";
 
                 cmd.Parameters.Add(cmd, "@ItemId", DbType.Guid).Value = id;
 
@@ -1530,7 +1533,7 @@ namespace MediaBrowser.Server.Implementations.Persistence
 
             using (var cmd = _connection.CreateCommand())
             {
-                cmd.CommandText = "select StartPositionTicks,Name,ImagePath from " + ChaptersTableName + " where ItemId = @ItemId and ChapterIndex=@ChapterIndex";
+                cmd.CommandText = "select StartPositionTicks,Name,ImagePath,ImageDateModified from " + ChaptersTableName + " where ItemId = @ItemId and ChapterIndex=@ChapterIndex";
 
                 cmd.Parameters.Add(cmd, "@ItemId", DbType.Guid).Value = id;
                 cmd.Parameters.Add(cmd, "@ChapterIndex", DbType.Int32).Value = index;
@@ -1568,6 +1571,11 @@ namespace MediaBrowser.Server.Implementations.Persistence
                 chapter.ImagePath = reader.GetString(2);
             }
 
+            if (!reader.IsDBNull(3))
+            {
+                chapter.ImageDateModified = reader.GetDateTime(3).ToUniversalTime();
+            }
+
             return chapter;
         }
 
@@ -1627,6 +1635,7 @@ namespace MediaBrowser.Server.Implementations.Persistence
                     _saveChapterCommand.GetParameter(2).Value = chapter.StartPositionTicks;
                     _saveChapterCommand.GetParameter(3).Value = chapter.Name;
                     _saveChapterCommand.GetParameter(4).Value = chapter.ImagePath;
+                    _saveChapterCommand.GetParameter(5).Value = chapter.ImageDateModified;
 
                     _saveChapterCommand.Transaction = transaction;