diff --git a/tests/fate2.mak b/tests/fate2.mak
index 92b0c9b2dca35d9a9eed337673d3566c3800645e..7fc6e3be08e2ac9e1177f237618ab8c4e5c26306 100644
--- a/tests/fate2.mak
+++ b/tests/fate2.mak
@@ -281,3 +281,6 @@ FATE2_TESTS += fate-wmapro-2ch
 fate-wmapro-2ch: CMD = pcm -i $(SAMPLES)/wmapro/Beethovens_9th-1_small.wma
 fate-wmapro-2ch: CMP = oneoff
 fate-wmapro-2ch: REF = $(SAMPLES)/wmapro/Beethovens_9th-1_small.pcm
+
+FATE_TESTS += fate-vp8-sign-bias
+fate-vp8-sign-bias: CMD = framemd5  -i $(SAMPLES)/vp8/sintel-signbias.ivf
diff --git a/tests/ref/fate/vp8-sign-bias b/tests/ref/fate/vp8-sign-bias
new file mode 100644
index 0000000000000000000000000000000000000000..4e4f6c4b2da4f111f7d0d9d92921bf9a5b1c3c44
--- /dev/null
+++ b/tests/ref/fate/vp8-sign-bias
@@ -0,0 +1,9 @@
+0, 0, 614880, 12ce23b288485be3ddbc1db28c21517f
+0, 3750, 614880, ce352e1079535ea058c0e9ad50f7cdb8
+0, 7500, 614880, 9f6bf2739a027dfd12c81586cf75d3a3
+0, 11250, 614880, 7593a85ab7790eb39d65fc53f769ed8b
+0, 15000, 614880, 52f47f1e0348f3297d9f233fb5405e8b
+0, 18750, 614880, cd51d2c200bfd66e8e1b0fd6b404570f
+0, 22500, 614880, cf535cf0a53e903cd98a9a944b72da6d
+0, 26250, 614880, 1b270fd2b56daa7892102c2885d23201
+0, 30000, 614880, ff373c0c8a4a319c84e72b1c3d76b399