diff --git a/MediaBrowser.Api/Playback/Progressive/VideoService.cs b/MediaBrowser.Api/Playback/Progressive/VideoService.cs
index 4a1e5df021..e2d0562377 100644
--- a/MediaBrowser.Api/Playback/Progressive/VideoService.cs
+++ b/MediaBrowser.Api/Playback/Progressive/VideoService.cs
@@ -258,7 +258,7 @@ namespace MediaBrowser.Api.Playback.Progressive
             // webm
             if (videoCodec.Equals("libvpx", StringComparison.OrdinalIgnoreCase))
             {
-                args = "-quality realtime -cpu-used 0 -qmin 0 -qmax 20 -profile:v 0 -slices 8";
+                args = "-quality realtime -speed 0 -qmin 0 -qmax 30 -profile:v 0 -slices 8";
             }
 
             // asf/wmv