diff --git a/.hooks/pre-push b/.hooks/pre-push
index d043d92e..856fc641 100755
--- a/.hooks/pre-push
+++ b/.hooks/pre-push
@@ -43,10 +43,18 @@ custodian_multi=""
 if command -v custodian-multi >/dev/null 2>&1; then
     custodian_multi="$(command -v custodian-multi)"
 fi
+# A worktree has no venv of its own — the interpreter lives in the main clone, so
+# the main_clone_root candidates are the ones that actually resolve there. Without
+# them a worktree push on a box whose only custodian-multi is <clone>/.venv/bin
+# (no PATH entry, no sibling Custodian checkout — the fleet's layout) dies on
+# "custodian-multi not found". For a plain checkout main_clone_root == repo_root,
+# so these are harmless duplicates of the two above.
 for candidate in \
     "$custodian_multi" \
     "$repo_root/.venv/bin/custodian-multi" \
     "$repo_root/.warehouse-venv/bin/custodian-multi" \
+    "$main_clone_root/.venv/bin/custodian-multi" \
+    "$main_clone_root/.warehouse-venv/bin/custodian-multi" \
     "$workspace_root/Custodian/.venv/bin/custodian-multi"
 do
     if [ -x "$candidate" ]; then