diff --git a/src/NzbDrone.Core/Extras/Subtitles/SubtitleFile.cs b/src/NzbDrone.Core/Extras/Subtitles/SubtitleFile.cs
index 7263b4c64..abea66f48 100644
--- a/src/NzbDrone.Core/Extras/Subtitles/SubtitleFile.cs
+++ b/src/NzbDrone.Core/Extras/Subtitles/SubtitleFile.cs
@@ -5,6 +5,11 @@ namespace NzbDrone.Core.Extras.Subtitles
 {
     public class SubtitleFile : ExtraFile
     {
+        public SubtitleFile()
+        {
+            LanguageTags = new List<string>();
+        }
+
         public Language Language { get; set; }
     }
 }