diff --git a/test/registered/8-gpu-models/test_mimo_models.py b/test/registered/8-gpu-models/test_mimo_models.py
index e2651ad30..6d0cc0899 100644
--- a/test/registered/8-gpu-models/test_mimo_models.py
+++ b/test/registered/8-gpu-models/test_mimo_models.py
@@ -45,7 +45,7 @@ class TestMiMoV2Flash(GSM8KMixin, SpecDecodingMixin, DefaultServerBase):
     ]
 
     bs_1_speed_thres = 170
-    accept_length_thres = 3.2
+    num_accepted_drafts_thres = 3.2
 
 
 if __name__ == "__main__":