diff --git a/migrations/20260909190156-weapon-pool-widget-rename-weapons-key.ts b/migrations/20260909190156-weapon-pool-widget-rename-weapons-key.ts
new file mode 100644
index 000000000..0e97c41f5
--- /dev/null
+++ b/migrations/20260909190156-weapon-pool-widget-rename-weapons-key.ts
@@ -0,0 +1,20 @@
+import { type Kysely, sql } from "kysely";
+
+/**
+ * Some weapon pool widgets still carry the settings of the widget's first
+ * version ({ weapons: [...] }, dropped in June 2026), which the earlier backfill
+ * skipped as they were not null. Reading them crashed the whole user page, so
+ * every row without a weaponPool list gets the empty one which keeps showing
+ * the match profile pool.
+ */
+export async function up(db: Kysely<any>): Promise<void> {
+	await sql`
+		update "UserWidget"
+		set "widget" = json_object(
+			'id', 'weapon-pool',
+			'settings', json_object('weaponPool', json('[]'))
+		)
+		where json_extract("widget", '$.id') = 'weapon-pool'
+			and json_extract("widget", '$.settings.weaponPool') is null
+	`.execute(db);
+}