diff --git a/wizard-work/forge/verify_selftest_sweep_q93_refactor.py b/wizard-work/forge/verify_selftest_sweep_q93_refactor.py
index 6fbda82..971430d 100644
--- a/wizard-work/forge/verify_selftest_sweep_q93_refactor.py
+++ b/wizard-work/forge/verify_selftest_sweep_q93_refactor.py
@@ -48,7 +48,13 @@ import subprocess
 import sys
 import time
 
-REPO = "/root/troupe-standup"
+# Resolve the repo root from this file so the gate grades the tree it is run
+# from, not a hardcoded host path. The old literal `REPO = "/root/troupe-standup"`
+# made a poison check out of reach: a clone at another path still graded
+# /root/troupe-standup and read VERDICT TRUE rc 0 (Q106 portability fault; the
+# same fix b4720ab applied to verify_scan_dry_refactor.py). This file lives at
+# <repo>/wizard-work/forge/<verifier>, so three dirnames land on the repo root.
+REPO = os.path.dirname(os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
 SRC = "tools/selftest_sweep.py"
 FULL = os.path.join(REPO, SRC)