diff --git a/packages/web/src/main.ts b/packages/web/src/main.ts
index 547d916..1f9306f 100644
--- a/packages/web/src/main.ts
+++ b/packages/web/src/main.ts
@@ -6,7 +6,8 @@ import * as Sentry from "@sentry/browser";
  * the history breadcrumb for taking it out of the address bar still names
  * it, so it is cut from every report before one leaves the browser. */
 function scrub(text: string): string {
-  return text.replace(/(#seat=)[^&#\s"']*/g, "$1…");
+  // The cut runs to the end of the JSON string, whatever the name holds.
+  return text.replace(/(#seat=)(?:[^"\\]|\\.)*/g, "$1…");
 }
 
 // Errors only — no tracing, no replay. Without a DSN baked at build time