diff --git a/web/app.js b/web/app.js
index 45c9db49d..6670b3430 100644
--- a/web/app.js
+++ b/web/app.js
@@ -1310,7 +1310,7 @@ let PDFViewerApplication = {
     }
   },
 
-  afterPrint: function pdfViewSetupAfterPrint() {
+  afterPrint() {
     if (this.printService) {
       this.printService.destroy();
       this.printService = null;