diff --git a/tests/fate/matroska.mak b/tests/fate/matroska.mak
index 99145338ae..597be7346c 100644
--- a/tests/fate/matroska.mak
+++ b/tests/fate/matroska.mak
@@ -1,6 +1,11 @@
 FATE_MATROSKA-$(call ALLYES, MATROSKA_DEMUXER ZLIB) += fate-matroska-prores-zlib
 fate-matroska-prores-zlib: CMD = framecrc -i $(TARGET_SAMPLES)/mkv/prores_zlib.mkv -c:v copy
 
+# This tests that the matroska demuxer correctly adds the icpf header atom
+# upon demuxing; it also tests bz2 decompression and unknown-length cluster.
+FATE_MATROSKA-$(call ALLYES, MATROSKA_DEMUXER BZLIB) += fate-matroska-prores-header-insertion-bz2
+fate-matroska-prores-header-insertion-bz2: CMD = framecrc -i $(TARGET_SAMPLES)/mkv/prores_bz2.mkv -map 0 -c copy
+
 # This tests that the matroska demuxer supports modifying the colorspace
 # properties in remuxing (-c:v copy)
 # It also tests automatic insertion of the vp9_superframe bitstream filter
diff --git a/tests/ref/fate/matroska-prores-header-insertion-bz2 b/tests/ref/fate/matroska-prores-header-insertion-bz2
new file mode 100644
index 0000000000..63a59f9b8d
--- /dev/null
+++ b/tests/ref/fate/matroska-prores-header-insertion-bz2
@@ -0,0 +1,16 @@
+#extradata 0:        4, 0x0402019c
+#extradata 1:        4, 0x0402019c
+#tb 0: 1/1000
+#media_type 0: video
+#codec_id 0: prores
+#dimensions 0: 720x480
+#sar 0: 186/157
+#tb 1: 1/1000
+#media_type 1: video
+#codec_id 1: prores
+#dimensions 1: 720x480
+#sar 1: 186/157
+0,          0,          0,        0,     4304, 0x3625b1fc
+1,          0,          0,        0,     4304, 0x3625b1fc
+0,         42,         42,        0,     4304, 0x3625b1fc
+1,         42,         42,        0,     4304, 0x3625b1fc