diff --git a/tests/ffmpeg.regression.ref b/tests/ffmpeg.regression.ref
index d1d0f06d2c..cfc145db06 100644
--- a/tests/ffmpeg.regression.ref
+++ b/tests/ffmpeg.regression.ref
@@ -9,8 +9,8 @@ e573c2022c1a84ad56c131296de3eed3 *./data/a-msmpeg4.avi
 7261e23fd8ad1de6efee022051b936be *./data/out.yuv
 8596e23c3f300cd42eb66750ac9d37af *./data/a-h263.avi
 545df74e0aa443499600faedd10a7065 *./data/out.yuv
-d7b1b397a978e7e66fb48ca784d0b1f7 *./data/a-h263p.avi
-76dea7e8f5a4c7e77b80ce1ff4f632b5 *./data/out.yuv
+40998ec1c608b516b041b8c0e2a50990 *./data/a-h263p.avi
+668ba3cb87859ca4d9a4269bad47b3f5 *./data/out.yuv
 cbb3e7118b48671c686d046e7c1ae4b0 *./data/a-odivx.avi
 98bb113f0fa0d61fd3b0b1699ac6c69a *./data/out.yuv
 301a256487aa79ad4b683bda07a99ab9 *./data/a-mpeg4-rc.avi
diff --git a/tests/regression.sh b/tests/regression.sh
index 92dc9ad953..651a0d40a0 100755
--- a/tests/regression.sh
+++ b/tests/regression.sh
@@ -134,7 +134,7 @@ fi
 if [ -n "$do_h263p" ] ; then
 # h263p encoding
 file=${outfile}h263p.avi
-do_ffmpeg $file -y -qscale 10 -f pgmyuv -i $raw_src -s 352x288 -an -vcodec h263p -ps 1000 $file
+do_ffmpeg $file -y -qscale 10 -umv -f pgmyuv -i $raw_src -s 352x288 -an -vcodec h263p -ps 1000 $file
 
 # h263p decoding
 do_ffmpeg $raw_dst -y -i $file -f rawvideo $raw_dst