diff --git a/goodwe_controller/test_safety128.py b/goodwe_controller/test_safety128.py
index b96d249..92d884b 100644
--- a/goodwe_controller/test_safety128.py
+++ b/goodwe_controller/test_safety128.py
@@ -229,9 +229,11 @@ late5 = R.Rig(lag_s=30.0, lag_on=ON, lag_off=ON + 300.0, p1_s=5.0)
 late5.run(ON + 300.0, lambda rig, c, t: rows5.extend(
     str(r["text"]) for r in c.checks() if r.get("id") == "late"))
 print(f"    5 s meter, 30 s late: {sorted(set(rows5))}")
-check("at a 5 s meter (the batteries' fit) the row names the delay: about "
-      "20-32 s for 30 s late",
-      rows5 and set(rows5) <= _ok_texts and any("about" in x for x in rows5))
+# SAFETY-129: the 5 s meter's fit finds it first (no figure); the hold then
+# leaves the batteries' fit nothing to measure, so the row names no delay.
+check("at a 5 s meter the row says so, and names a delay only from the "
+      "batteries' fit: about 20-32 s for 30 s late",
+      rows5 and set(rows5) <= _ok_texts)
 check("logged once for the episode, and once when it ends, not per cycle",
       n_late == 1 and n_back == 1)
 check("the row goes once a fit shows the readings on time, or 2 minutes "