diff --git a/scripts/frank-default-large.env b/scripts/frank-default-large.env
index 0d129ea..4a8c991 100644
--- a/scripts/frank-default-large.env
+++ b/scripts/frank-default-large.env
@@ -14,7 +14,7 @@ PARALLEL=3
 #   draft-mtp     - MTP sidecar draft (a4lg/Qwen3.6-27B-MTP-ONLY-Q8_0.gguf)
 #   ngram-mod     - draftless ngram matching (no draft model, no shared ctx)
 # Benched 2026-08-14: see docs/frank-default-large-benchmark.md for the winner.
-SPEC_TYPE=ngram-mod
+SPEC_TYPE=draft-mtp
 # Draft model file (only used when SPEC_TYPE contains 'draft-').
 # DFlash: Qwen3.6-27B-DFlash-Q8_0.gguf ; MTP: Qwen3.6-27B-MTP-ONLY-Q8_0.gguf
 DRAFT_FILE=Qwen3.6-27B-MTP-ONLY-Q8_0.gguf