diff --git a/tests/ffmpeg.regression.ref b/tests/ffmpeg.regression.ref
index b6de5f48e451029111bddc3f943b25135adb29a2..7b77f226d2df8fd10b2304b31c0f49db6a4be7a4 100644
--- a/tests/ffmpeg.regression.ref
+++ b/tests/ffmpeg.regression.ref
@@ -176,3 +176,7 @@ stddev:1050.18 PSNR:35.89 bytes:1054720
 264236 ./data/a-adpcm_yam.wav
 e92cec8c07913ffb91ad2b11f79cdc00 *./data/out.wav
 stddev:18312.68 PSNR:11.06 bytes:1056768
+7bcc7daf968fc489c9b4b7aca5ae380d *./data/a-flac.flac
+799336 ./data/a-flac.flac
+0116cdcefd0aeae3ab8e5140c19c725d *./data/out.wav
+stddev: 51.59 PSNR:62.07 bytes:1032192
diff --git a/tests/regression.sh b/tests/regression.sh
index 5853d738d1fbc2f1ba1db775f329a826e7b80e93..7bd285a470d33b3820105fa461e846dd91ecf958 100755
--- a/tests/regression.sh
+++ b/tests/regression.sh
@@ -68,6 +68,7 @@ else
     do_g726=y
     do_adpcm_ima_wav=y
     do_adpcm_ms=y
+    do_flac=y
     do_rc=y
     do_mpeg4adv=y
     do_mpeg4thread=y
@@ -594,6 +595,16 @@ do_ffmpeg $file -y -ab 128 -ac 2 -ar 44100 -f s16le -i $pcm_src -acodec adpcm_ya
 do_ffmpeg $pcm_dst -y -i $file -f wav $pcm_dst
 fi
 
+###################################
+if [ -n "$do_flac" ] ; then
+# encoding
+file=${outfile}flac.flac
+do_ffmpeg $file -y -ab 128 -ac 2 -ar 44100 -f s16le -i $pcm_src -acodec flac $file
+
+# decoding
+do_ffmpeg $pcm_dst -y -i $file -f wav $pcm_dst
+fi
+
 ###################################
 # libav testing
 ###################################
diff --git a/tests/rotozoom.regression.ref b/tests/rotozoom.regression.ref
index 3f21a71f6d75fe21e1a5c5aaf74e9fffb168382b..687420274db0901ca6568d33ff3e18a1425dcc7d 100644
--- a/tests/rotozoom.regression.ref
+++ b/tests/rotozoom.regression.ref
@@ -176,3 +176,7 @@ stddev:1050.18 PSNR:35.89 bytes:1054720
 264236 ./data/a-adpcm_yam.wav
 e92cec8c07913ffb91ad2b11f79cdc00 *./data/out.wav
 stddev:18312.68 PSNR:11.06 bytes:1056768
+7bcc7daf968fc489c9b4b7aca5ae380d *./data/a-flac.flac
+799336 ./data/a-flac.flac
+0116cdcefd0aeae3ab8e5140c19c725d *./data/out.wav
+stddev: 51.59 PSNR:62.07 bytes:1032192