diff --git a/tests/codec-regression.sh b/tests/codec-regression.sh
index fe97d3a04d672ceafad786c14281dc456b56acaa..65273aa76ebc0f626efd8d7a6b73d2221cbdae32 100755
--- a/tests/codec-regression.sh
+++ b/tests/codec-regression.sh
@@ -668,7 +668,7 @@ do_lavfi() {
     vfilters=$2
 
     if [ -n "$test" ] ; then
-        do_video_encoding ${test_name}.avi "-qscale 10" "-vcodec huffyuv -vfilters $vfilters"
+        do_video_encoding ${test_name}.avi "" "-vcodec rawvideo -vfilters $vfilters"
     fi
 }