diff --git a/tests/fate/mov.mak b/tests/fate/mov.mak
index 0fd20fef96..957bd5ca4e 100644
--- a/tests/fate/mov.mak
+++ b/tests/fate/mov.mak
@@ -29,6 +29,7 @@ FATE_MOV_FFPROBE = fate-mov-neg-firstpts-discard \
                    fate-mov-guess-delay-2 \
                    fate-mov-guess-delay-3 \
                    fate-mov-mp4-with-mov-in24-ver \
+                   fate-mov-mp4-extended-atom \
 
 FATE_MOV_FASTSTART = fate-mov-faststart-4gb-overflow \
 
@@ -124,3 +125,5 @@ fate-mov-faststart-4gb-overflow: CMP = oneline
 fate-mov-faststart-4gb-overflow: REF = bc875921f151871e787c4b4023269b29
 
 fate-mov-mp4-with-mov-in24-ver: CMD = run ffprobe$(PROGSSUF)$(EXESUF) -show_entries stream=codec_name -select_streams 1 $(TARGET_SAMPLES)/mov/mp4-with-mov-in24-ver.mp4
+
+fate-mov-mp4-extended-atom: CMD = run ffprobe$(PROGSSUF)$(EXESUF) -show_packets -print_format compact -select_streams v $(TARGET_SAMPLES)/mov/extended_atom_size_probe
diff --git a/tests/ref/fate/mov-mp4-extended-atom b/tests/ref/fate/mov-mp4-extended-atom
new file mode 100644
index 0000000000..9d01abb2f5
--- /dev/null
+++ b/tests/ref/fate/mov-mp4-extended-atom
@@ -0,0 +1 @@
+packet|codec_type=video|stream_index=0|pts=0|pts_time=0.000000|dts=0|dts_time=0.000000|duration=1001|duration_time=0.033367|size=14798|pos=16|flags=K_