diff --git a/tests/fate/cbs.mak b/tests/fate/cbs.mak
index a9a8f487de..89608b0d4c 100644
--- a/tests/fate/cbs.mak
+++ b/tests/fate/cbs.mak
@@ -25,6 +25,7 @@ FATE_CBS_AV1_CONFORMANCE_SAMPLES = \
     av1-1-b10-23-film_grain-50.ivf
 
 FATE_CBS_AV1_SAMPLES =              \
+    decode_model.ivf                \
     frames_refs_short_signaling.ivf \
     non_uniform_tiling.ivf          \
     seq_hdr_op_param_info.ivf       \
diff --git a/tests/ref/fate/cbs-av1-decode_model b/tests/ref/fate/cbs-av1-decode_model
new file mode 100644
index 0000000000..cca6426090
--- /dev/null
+++ b/tests/ref/fate/cbs-av1-decode_model
@@ -0,0 +1 @@
+228a6ee5204a4d6fb00c22080e8153bc