diff --git a/packages/pdfjs-viewer/src/custom.ts b/packages/pdfjs-viewer/src/custom.ts
index ad781a7872..1344a68897 100644
--- a/packages/pdfjs-viewer/src/custom.ts
+++ b/packages/pdfjs-viewer/src/custom.ts
@@ -50,7 +50,7 @@ function configurePdfViewerOptions() {
     };
     if (window.parent && window.parent !== window) {
         window.parent.addEventListener("webviewerloaded", pdfOptionsHandler);
-        window.addEventListener("unload", () => window.parent.removeEventListener("webviewerloaded", pdfOptionsHandler));
+        window.addEventListener("pagehide", () => window.parent.removeEventListener("webviewerloaded", pdfOptionsHandler));
     }
 }