diff --git a/tests/fate/microsoft.mak b/tests/fate/microsoft.mak
index f73b265eaa..4e8ae51116 100644
--- a/tests/fate/microsoft.mak
+++ b/tests/fate/microsoft.mak
@@ -58,7 +58,7 @@ FATE_VC1-$(CONFIG_VC1_DEMUXER) += fate-vc1_sa20021
 fate-vc1_sa20021: CMD = framecrc -i $(TARGET_SAMPLES)/vc1/SA20021.vc1
 
 FATE_VC1-$(CONFIG_VC1_DEMUXER) += fate-vc1_ilaced_twomv
-fate-vc1_ilaced_twomv: CMD = framecrc -i $(TARGET_SAMPLES)/vc1/ilaced_twomv.vc1
+fate-vc1_ilaced_twomv: CMD = framecrc -flags +bitexact -i $(TARGET_SAMPLES)/vc1/ilaced_twomv.vc1
 
 FATE_VC1-$(CONFIG_MOV_DEMUXER) += fate-vc1-ism
 fate-vc1-ism: CMD = framecrc -i $(TARGET_SAMPLES)/isom/vc1-wmapro.ism -an