diff --git a/tests/codec-regression.sh b/tests/codec-regression.sh
index a81cb6ef97..37c6e86b54 100755
--- a/tests/codec-regression.sh
+++ b/tests/codec-regression.sh
@@ -334,6 +334,11 @@ do_video_encoding yuv.avi "-an -vcodec rawvideo -pix_fmt yuv420p"
 do_video_decoding "" "-pix_fmt yuv420p"
 fi
 
+if [ -n "$do_yuv4" ] ; then
+do_video_encoding yuv4.avi "-an -c:v yuv4"
+do_video_decoding
+fi
+
 if [ -n "$do_y41p" ] ; then
 do_video_encoding y41p.avi "-an -c:v y41p"
 do_video_decoding
diff --git a/tests/ref/vsynth1/yuv4 b/tests/ref/vsynth1/yuv4
new file mode 100644
index 0000000000..63c1298281
--- /dev/null
+++ b/tests/ref/vsynth1/yuv4
@@ -0,0 +1,4 @@
+e0d593eb635432f421b93224e425ee03 *./tests/data/vsynth1/yuv4.avi
+ 7610060 ./tests/data/vsynth1/yuv4.avi
+c5ccac874dbf808e9088bc3107860042 *./tests/data/yuv4.vsynth1.out.yuv
+stddev:    0.00 PSNR:999.99 MAXDIFF:    0 bytes:  7603200/  7603200
diff --git a/tests/ref/vsynth2/yuv4 b/tests/ref/vsynth2/yuv4
new file mode 100644
index 0000000000..99d7e820cd
--- /dev/null
+++ b/tests/ref/vsynth2/yuv4
@@ -0,0 +1,4 @@
+3d24f1d320c4ead1efbf3c952a902379 *./tests/data/vsynth2/yuv4.avi
+ 7610060 ./tests/data/vsynth2/yuv4.avi
+dde5895817ad9d219f79a52d0bdfb001 *./tests/data/yuv4.vsynth2.out.yuv
+stddev:    0.00 PSNR:999.99 MAXDIFF:    0 bytes:  7603200/  7603200