diff --git a/MediaBrowser.Api/Playback/Progressive/VideoService.cs b/MediaBrowser.Api/Playback/Progressive/VideoService.cs
index a291c17aeb..eb04570ed0 100644
--- a/MediaBrowser.Api/Playback/Progressive/VideoService.cs
+++ b/MediaBrowser.Api/Playback/Progressive/VideoService.cs
@@ -260,7 +260,7 @@ namespace MediaBrowser.Api.Playback.Progressive
             // webm
             if (videoCodec.Equals("libvpx", StringComparison.OrdinalIgnoreCase))
             {
-                args = "-quality realtime -profile:v 0 -slices 4";
+                args = "-quality realtime -cpu-used 0 -qmin 0 -qmax 20 -profile:v 0 -slices 8";
             }
 
             // asf/wmv