diff --git a/tests/fate/mpeg4.mak b/tests/fate/mpeg4.mak
index 285c933f3c..b24d21afbc 100644
--- a/tests/fate/mpeg4.mak
+++ b/tests/fate/mpeg4.mak
@@ -5,7 +5,7 @@ fate-mpeg4-resolution-change-%: CMD = framemd5 -flags +bitexact -idct simple -i
 
 FATE_MPEG4-$(call DEMDEC, H263, H263) := $(addprefix fate-mpeg4-resolution-change-, $(MPEG4_RESOLUTION_CHANGE))
 
-fate-mpeg4-bsf-unpack-bframes: CMD = md5 -i $(TARGET_SAMPLES)/mpeg4/packed_bframes.avi -c:v copy -bsf mpeg4_unpack_bframes -f avi
+fate-mpeg4-bsf-unpack-bframes: CMD = md5 -i $(TARGET_SAMPLES)/mpeg4/packed_bframes.avi -flags +bitexact  -c:v copy -bsf mpeg4_unpack_bframes -f avi
 FATE_MPEG4-$(call ALLYES, AVI_DEMUXER MPEG4_UNPACK_BFRAMES_BSF AVI_MUXER) += fate-mpeg4-bsf-unpack-bframes
 
 FATE_SAMPLES_AVCONV += $(FATE_MPEG4-yes)
diff --git a/tests/ref/fate/mpeg4-bsf-unpack-bframes b/tests/ref/fate/mpeg4-bsf-unpack-bframes
index 09211c9436..21e58f6051 100644
--- a/tests/ref/fate/mpeg4-bsf-unpack-bframes
+++ b/tests/ref/fate/mpeg4-bsf-unpack-bframes
@@ -1 +1 @@
-1fd35288e4e76dddf027ec0007f29a76
+5db6b7b766c7a9fd5f42292d7467a36d