diff --git a/src/data/extra/web/pdf.js/web/viewer.js b/src/data/extra/web/pdf.js/web/viewer.js
index 274e12dc..5fa369f9 100644
--- a/src/data/extra/web/pdf.js/web/viewer.js
+++ b/src/data/extra/web/pdf.js/web/viewer.js
@@ -762,6 +762,10 @@ const defaultOptions = {
   workerSrc: {
     value: "../build/pdf.worker.js",
     kind: OptionKind.WORKER
+  },
+  useWorkerFetch: {
+    value: false,
+    kind: OptionKind.API
   }
 };
 {
@@ -14929,4 +14933,4 @@ if (document.readyState === "interactive" || document.readyState === "complete")
 
 /******/ })()
 ;
-//# sourceMappingURL=viewer.js.map
\ No newline at end of file
+//# sourceMappingURL=viewer.js.map