WinGui: Fix a bug in the preview window where the flip was operating on the wrong axis. Fixes #2764

1 files changed, 1 insertions, 1 deletions

diff --git a/win/CS/HandBrakeWPF/Utilities/BitmapHelpers.cs b/win/CS/HandBrakeWPF/Utilities/BitmapHelpers.cs
index f9856d2aa..4a9810c5e 100644
--- a/win/CS/HandBrakeWPF/Utilities/BitmapHelpers.cs
+++ b/win/CS/HandBrakeWPF/Utilities/BitmapHelpers.cs
@@ -26,7 +26,7 @@ namespace HandBrakeWPF.Utilities
             transformedBitmap.Source = source;
 
             var transformGroup = new TransformGroup();
-            transformGroup.Children.Add(new ScaleTransform(1, flip ? -1 : 1));
+            transformGroup.Children.Add(new ScaleTransform(flip ? -1 : 1, 1));
             transformGroup.Children.Add(new RotateTransform(rotation));
 
             transformedBitmap.Transform = transformGroup;