diff --git a/tests/fate/aac.mak b/tests/fate/aac.mak
index 6a76126449..e906c3cd1b 100644
--- a/tests/fate/aac.mak
+++ b/tests/fate/aac.mak
@@ -200,9 +200,9 @@ fate-aac-ms-encode: CMD = enc_dec_pcm adts wav s16le $(TARGET_SAMPLES)/audio-ref
 fate-aac-ms-encode: CMP = stddev
 fate-aac-ms-encode: REF = $(SAMPLES)/audio-reference/luckynight_2ch_44kHz_s16.wav
 fate-aac-ms-encode: CMP_SHIFT = -4096
-fate-aac-ms-encode: CMP_TARGET = 621
+fate-aac-ms-encode: CMP_TARGET = 615
 fate-aac-ms-encode: SIZE_TOLERANCE = 3560
-fate-aac-ms-encode: FUZZ = 1
+fate-aac-ms-encode: FUZZ = 10
 
 FATE_AAC_ENCODE += fate-aac-ltp-encode
 fate-aac-ltp-encode: CMD = enc_dec_pcm adts wav s16le $(TARGET_SAMPLES)/audio-reference/luckynight_2ch_44kHz_s16.wav -strict -2 -c:a aac -aac_pns 0 -aac_is 0 -aac_ms 0 -aac_ltp 1 -b:a 82k -cutoff 22050