1 files changed, 1 insertions, 1 deletions
diff --git a/win/CS/HandBrakeWPF/Services/Encode/Model/EncodeTask.cs b/win/CS/HandBrakeWPF/Services/Encode/Model/EncodeTask.cs
index 8d7440f06..5f022f6b5 100644
--- a/win/CS/HandBrakeWPF/Services/Encode/Model/EncodeTask.cs
+++ b/win/CS/HandBrakeWPF/Services/Encode/Model/EncodeTask.cs
@@ -144,7 +144,7 @@ namespace HandBrakeWPF.Services.Encode.Model
             this.VideoLevel = task.VideoLevel;
             this.VideoProfile = task.VideoProfile;
             this.VideoPreset = task.VideoPreset;
-            this.VideoTunes = task.VideoTunes;
+            this.VideoTunes = new List<VideoTune>(task.VideoTunes);
             this.ExtraAdvancedArguments = task.ExtraAdvancedArguments;
 
             this.ShowAdvancedTab = task.ShowAdvancedTab;