diff --git a/tests/lavf-regression.sh b/tests/lavf-regression.sh
index f0fcac3511..617437042d 100755
--- a/tests/lavf-regression.sh
+++ b/tests/lavf-regression.sh
@@ -221,6 +221,8 @@ fi
 
 if [ -n "$do_dpx" ] ; then
 do_image_formats dpx
+do_image_formats dpx "-pix_fmt rgb48"
+do_image_formats dpx "-pix_fmt rgb48 -bits_per_raw_sample 10"
 fi
 
 if [ -n "$do_xwd" ] ; then
diff --git a/tests/ref/lavf/dpx b/tests/ref/lavf/dpx
index a852ae058e..2160809169 100644
--- a/tests/ref/lavf/dpx
+++ b/tests/ref/lavf/dpx
@@ -1,3 +1,9 @@
 808ea110635774252439722a48329d61 *./tests/data/images/dpx/02.dpx
 ./tests/data/images/dpx/%02d.dpx CRC=0x6da01946
 305792 ./tests/data/images/dpx/02.dpx
+5e1a777fa3f4094c9c4dd989cf9e8e8b *./tests/data/images/dpx/02.dpx
+./tests/data/images/dpx/%02d.dpx CRC=0xe5b9c023
+609920 ./tests/data/images/dpx/02.dpx
+13dc41b1e1e36399a5e1f8b7e3344a81 *./tests/data/images/dpx/02.dpx
+./tests/data/images/dpx/%02d.dpx CRC=0xf38d5830
+407168 ./tests/data/images/dpx/02.dpx