diff --git a/to_vp9/to_vp9.sh b/to_vp9/to_vp9.sh
index 23b3e8c..a20e08d 100755
--- a/to_vp9/to_vp9.sh
+++ b/to_vp9/to_vp9.sh
@@ -65,8 +65,7 @@ for file in **/*.@($extension); do
 		file_out="${file%.*}2.mkv"
 	else file_out="${file%.*}.mkv"; fi
 
-
-
+	#just for testing. This will be removed in a future release
 	echo "$encoder"
 
 	#VP9_vaapi
@@ -78,7 +77,9 @@ for file in **/*.@($extension); do
 
 	#VP9_qsv
 	#was not able to test it. So it is still experimental
-	#ffmpeg -hide_banner -hwaccel qsv -qsv_device $gpu -i "$file" -c:v av1_qsv -vf 'hwupload' "${file%.*}.mkv"
+	if [[ $encoder == "vp9_qsv" ]]; then
+	ffmpeg -hide_banner -hwaccel qsv -qsv_device $gpu -i "$file" -c:v vp9_qsv -vf 'hwupload' "${file%.*}.mkv"
+	fi
 
 	#libvpx-vp9
 	#...