diff --git a/tests/lavf-regression.sh b/tests/lavf-regression.sh
index 736629bb67..b14a58efcd 100755
--- a/tests/lavf-regression.sh
+++ b/tests/lavf-regression.sh
@@ -40,7 +40,7 @@ do_image_formats()
 do_audio_only()
 {
     file=${outfile}lavf.$1
-    do_ffmpeg $file -t 1 -qscale 10 -f s16le -i $pcm_src
+    do_ffmpeg $file -t 1 -qscale 10 $2 -f s16le -i $pcm_src $3
     do_ffmpeg_crc $file -i $target_path/$file
 }
 
@@ -206,6 +206,10 @@ if [ -n "$do_voc" ] ; then
 do_audio_only voc
 fi
 
+if [ -n "$do_voc_s16" ] ; then
+do_audio_only s16.voc "-ac 2" "-acodec pcm_s16le"
+fi
+
 if [ -n "$do_ogg" ] ; then
 do_audio_only ogg
 fi
diff --git a/tests/ref/lavf/voc_s16 b/tests/ref/lavf/voc_s16
new file mode 100644
index 0000000000..425d9655ad
--- /dev/null
+++ b/tests/ref/lavf/voc_s16
@@ -0,0 +1,3 @@
+b20728bf036d2e23508869acbad4e576 *./tests/data/lavf/lavf.s16.voc
+163840 ./tests/data/lavf/lavf.s16.voc
+./tests/data/lavf/lavf.s16.voc CRC=0xfa9b6c39