diff --git a/over-video.py b/over-video.py
index b036cac..f145dfd 100755
--- a/over-video.py
+++ b/over-video.py
@@ -16,7 +16,7 @@ Command = over.core.cmd.Command
 prefix = over.core.text.prefix
 
 # --------------------------------------------------
-X264_BANNED_PIXFMTS = {'bgr24'}
+X264_BANNED_PIXFMTS = {'bgr24', 'yuv422p'}
 
 # --------------------------------------------------