diff --git a/backend/app/services/subscribestar_client.py b/backend/app/services/subscribestar_client.py
index 0a1751b..e51e026 100644
--- a/backend/app/services/subscribestar_client.py
+++ b/backend/app/services/subscribestar_client.py
@@ -396,6 +396,16 @@ def _roster_rows(table: str, identifier: str, base: str) -> list[Membership]:
         name = _ROSTER_NAME_RE.search(row)
         slug = unescape(href.group(1))
         cells = _ROSTER_CELL_RE.findall(row)
+        if len(cells) != len(labels):
+            # Canary, not a refusal. Identity above does not depend on columns,
+            # so a shifted column must not fail the whole roster — but it would
+            # silently mislabel `details` (a price filed under "discord"), so
+            # say so in the worker log where it is diagnosable.
+            log.warning(
+                "SubscribeStar roster %r: %d cells against %d headers — column "
+                "details may be mislabelled; markup likely changed (note #3989)",
+                identifier, len(cells), len(labels),
+            )
         rows.append(Membership(
             campaign_id=user_id.group(1),
             display_name=(_cell_text(name.group(1)) if name else "") or None,
@@ -420,7 +430,7 @@ def _roster_rows(table: str, identifier: str, base: str) -> list[Membership]:
                 # its <th>'s class at all.
                 "columns": {
                     label: _cell_text(cell)
-                    for label, cell in zip(labels, cells)
+                    for label, cell in zip(labels, cells, strict=False)
                     if label not in _ROSTER_SKIP_COLUMNS
                 },
             },