diff --git a/tests/fate/cover-art.mak b/tests/fate/cover-art.mak
index c42a4bc499..cbcc03fabf 100644
--- a/tests/fate/cover-art.mak
+++ b/tests/fate/cover-art.mak
@@ -46,6 +46,16 @@ FATE_COVER_ART_REMUX-$(call ALLYES, FILE_PROTOCOL MP3_DEMUXER MJPEG_DECODER \
                        += fate-cover-art-mp3-id3v2-remux
 fate-cover-art-mp3-id3v2-remux: CMD = transcode mp3 $(TARGET_SAMPLES)/exif/embedded_small.mp3 mp3 "-map 0 -map 0:v -map 0:v -c:a copy -filter:v:0 scale -filter:v:2 scale -c:v:0 bmp -c:v:1 copy -c:v:2 png -metadata:s:v:0 comment=Band/Orchestra" "-map 0 -c copy -t 0.1" "" "-show_entries stream_tags:stream_disposition=attached_pic:stream=index,codec_name"
 
+# Also covers muxing and demuxing of nonstandard channel layouts into FLAC.
+FATE_COVER_ART_REMUX-$(call ALLYES, FILE_PROTOCOL MOV_DEMUXER OGG_DEMUXER   \
+                                    ALAC_DECODER MJPEG_DECODER SCALE_FILTER \
+                                    CHANNELMAP_FILTER ARESAMPLE_FILTER      \
+                                    FLAC_ENCODER BMP_ENCODER PNG_ENCODER    \
+                                    FLAC_MUXER FLAC_DEMUXER FLAC_DECODER    \
+                                    FRAMECRC_MUXER PIPE_PROTOCOL)           \
+                       += fate-cover-art-flac-remux
+fate-cover-art-flac-remux: CMD = transcode mov $(TARGET_SAMPLES)/lossless-audio/inside.m4a flac "-map 0 -map 1:v -map 1:v -af channelmap=channel_layout=FL+FC,aresample -c:a flac -multi_dim_quant 1 -c:v:0 copy -metadata:s:v:0 comment=Illustration -metadata:s:v:0 title=OpenMusic  -filter:v:1 scale -c:v:1 png -metadata:s:v:1 title=landscape -c:v:2 copy -filter:v:3 scale -metadata:s:v:2 title=portrait -c:v:3 bmp  -metadata:s:v:3 comment=Conductor -c:v:4 copy -t 0.5" "-map 0 -map 0:a -c:a:0 copy -c:v copy" "" "-show_entries format_tags:stream_tags:stream_disposition=attached_pic:stream=index,codec_name" "-f ogg -i $(TARGET_SAMPLES)/cover_art/ogg_vorbiscomment_cover.opus"
+
 FCA_TEMP-$(call ALLYES, RAWVIDEO_MUXER FILE_PROTOCOL) = $(FATE_COVER_ART-yes)
 FATE_COVER_ART = $(FCA_TEMP-yes)
 $(FATE_COVER_ART): CMP = oneline
diff --git a/tests/ref/fate/cover-art-flac-remux b/tests/ref/fate/cover-art-flac-remux
new file mode 100644
index 0000000000..07a8400128
--- /dev/null
+++ b/tests/ref/fate/cover-art-flac-remux
@@ -0,0 +1,111 @@
+26a0d04dadbdd2703a78c603f7901bc9 *tests/data/fate/cover-art-flac-remux.flac
+1103460 tests/data/fate/cover-art-flac-remux.flac
+#extradata 0:       34, 0x92060af7
+#tb 0: 1/44100
+#media_type 0: audio
+#codec_id 0: flac
+#sample_rate 0: 44100
+#channel_layout 0: 5
+#channel_layout_name 0: 2 channels (FL+FC)
+#tb 1: 1/90000
+#media_type 1: video
+#codec_id 1: png
+#dimensions 1: 200x200
+#sar 1: 2834/2834
+#tb 2: 1/90000
+#media_type 2: video
+#codec_id 2: png
+#dimensions 2: 485x359
+#sar 2: 1/1
+#tb 3: 1/90000
+#media_type 3: video
+#codec_id 3: mjpeg
+#dimensions 3: 199x300
+#sar 3: 72/72
+#tb 4: 1/90000
+#media_type 4: video
+#codec_id 4: bmp
+#dimensions 4: 485x359
+#sar 4: 0/1
+#tb 5: 1/90000
+#media_type 5: video
+#codec_id 5: mjpeg
+#dimensions 5: 199x300
+#sar 5: 72/72
+#tb 6: 1/44100
+#media_type 6: audio
+#codec_id 6: pcm_s16le
+#sample_rate 6: 44100
+#channel_layout 6: 5
+#channel_layout_name 6: 2 channels (FL+FC)
+0,          0,          0,     4608,       14, 0x242b036d
+1,          0,          0,        0,    66888, 0x1fd72743
+2,          0,          0,        0,   438706, 0x8bcb753b
+3,          0,          0,        0,    21671, 0x7d1c6030
+4,          0,          0,        0,   522758, 0x7a63572f
+5,          0,          0,        0,    21671, 0x7d1c6030
+6,          0,          0,     4608,    18432, 0x00000000
+0,       4608,       4608,     4608,     7636, 0xc3775d85
+6,       4608,       4608,     4608,    18432, 0xaaab4d62
+0,       9216,       9216,     4608,     5700, 0x8b9a3cc7
+6,       9216,       9216,     4608,    18432, 0x49410f52
+0,      13824,      13824,     4608,     5375, 0x1fa6c33b
+6,      13824,      13824,     4608,    18432, 0x2d52e439
+0,      18432,      18432,     3618,     4060, 0x59fd7219
+6,      18432,      18432,     3618,    14472, 0xd2d47505
+[STREAM]
+index=0
+codec_name=flac
+DISPOSITION:attached_pic=0
+[/STREAM]
+[STREAM]
+index=1
+codec_name=png
+DISPOSITION:attached_pic=1
+TAG:comment=Illustration
+TAG:title=OpenMusic
+[/STREAM]
+[STREAM]
+index=2
+codec_name=png
+DISPOSITION:attached_pic=1
+TAG:comment=Cover (front)
+TAG:title=landscape
+[/STREAM]
+[STREAM]
+index=3
+codec_name=mjpeg
+DISPOSITION:attached_pic=1
+TAG:comment=Publisher/Studio logotype
+TAG:title=portrait
+[/STREAM]
+[STREAM]
+index=4
+codec_name=bmp
+DISPOSITION:attached_pic=1
+TAG:comment=Conductor
+TAG:title=White King Granulated Soap
+[/STREAM]
+[STREAM]
+index=5
+codec_name=mjpeg
+DISPOSITION:attached_pic=1
+TAG:comment=Publisher/Studio logotype
+TAG:title=White King Granulated Soap
+[/STREAM]
+[FORMAT]
+TAG:major_brand=M4A 
+TAG:minor_version=0
+TAG:compatible_brands=M4A mp42isom
+TAG:disc=1
+TAG:title=Inside
+TAG:compilation=1
+TAG:gapless_playback=0
+TAG:track=5/13
+TAG:Encoding Params=vers
+TAG:iTunNORM= 000004DF 000004C2 00001E64 00001AB3 00000FB9 00000FB9 00006480 00006480 00000FB9 00000B52
+TAG:artist=Maxwell Strait
+TAG:album_artist=Maxwell Strait
+TAG:album=OpenMusic
+TAG:genre=Rock
+[/FORMAT]
