diff --git a/tests/v1/e2e/spec_decode/acceptance_rates/dflash/test_dflash.py b/tests/v1/e2e/spec_decode/acceptance_rates/dflash/test_dflash.py
index 48dcde2bbc..0dff043336 100644
--- a/tests/v1/e2e/spec_decode/acceptance_rates/dflash/test_dflash.py
+++ b/tests/v1/e2e/spec_decode/acceptance_rates/dflash/test_dflash.py
@@ -53,7 +53,7 @@ LAGUNA_DFLASH_NVFP4 = DFlashCorrectnessConfig(
     model="poolside/Laguna-XS-2.1-NVFP4",
     draft_model="poolside/Laguna-XS-2.1-DFlash-NVFP4",
     expected_accuracy=0.7,  # Standard GSM8K sanity floor.
-    expected_acceptance_len=3.55 * 0.9,
+    expected_acceptance_len=3.05 * 0.9,
     num_speculative_tokens=15,
     max_model_len=8192,
     max_num_seqs=32,