diff --git a/tests/codec-regression.sh b/tests/codec-regression.sh
index 3a16a02cdb..a81cb6ef97 100755
--- a/tests/codec-regression.sh
+++ b/tests/codec-regression.sh
@@ -320,8 +320,8 @@ do_video_decoding "" "-pix_fmt yuv420p"
 fi
 
 if [ -n "$do_r210" ] ; then
-do_video_encoding r210.avi "-an -c:v r210"
-do_video_decoding
+do_video_encoding r210.avi "-an -c:v r210 -pix_fmt rgb48le"
+do_video_decoding "" "-pix_fmt rgb48le"
 fi
 
 if [ -n "$do_v210" ] ; then