diff --git a/tests/fate/subtitles.mak b/tests/fate/subtitles.mak
index dc7a747f8ca3e01a4a1f67984d946b0e76bc6238..59c55a56a5e87060cea82d1fdc17bedb2ce8e6be 100644
--- a/tests/fate/subtitles.mak
+++ b/tests/fate/subtitles.mak
@@ -8,7 +8,7 @@ FATE_SUBTITLES += fate-sub-movtext
 fate-sub-movtext: CMD = md5 -i $(SAMPLES)/sub/MovText_capability_tester.mp4 -f ass
 
 FATE_SUBTITLES += fate-sub-movtextenc
-fate-sub-movtextenc: CMD = md5 -i $(SAMPLES)/sub/MovText_capability_tester.mp4 -map 0 -scodec mov_text -f mp4 -movflags frag_keyframe+empty_moov
+fate-sub-movtextenc: CMD = md5 -i $(SAMPLES)/sub/MovText_capability_tester.mp4 -map 0 -scodec mov_text -f mp4 -flags +bitexact -movflags frag_keyframe+empty_moov
 
 FATE_SUBTITLES += fate-sub-realtext
 fate-sub-realtext: CMD = md5 -i $(SAMPLES)/sub/RealText_capability_tester.rt -f ass
diff --git a/tests/ref/fate/sub-movtextenc b/tests/ref/fate/sub-movtextenc
index 19672c82f91383c252faf2e3ac4ba7a29a6019dd..deafb64162db7cbffb424f8e7950fd382986172a 100644
--- a/tests/ref/fate/sub-movtextenc
+++ b/tests/ref/fate/sub-movtextenc
@@ -1 +1 @@
-ea719ca95c36d0da638282ccd017dace
+42640029a44ce4c5748e5e7ba5c189fd