diff --git a/services/web/frontend/js/ide/pdfng/directives/pdfJs.js b/services/web/frontend/js/ide/pdfng/directives/pdfJs.js
index 1c75a718e6..3ffb7b5f35 100644
--- a/services/web/frontend/js/ide/pdfng/directives/pdfJs.js
+++ b/services/web/frontend/js/ide/pdfng/directives/pdfJs.js
@@ -155,6 +155,7 @@ export default App.directive('pdfng', ($timeout, localStorage) => ({
 <div
     data-pdf-viewer
     class="pdfjs-viewer"
+    tabindex="0"
     pdf-src='pdfSrc'
     position='position'
     scale='scale'
diff --git a/services/web/frontend/stylesheets/app/editor/pdf.less b/services/web/frontend/stylesheets/app/editor/pdf.less
index fd7f110d25..ae045f7360 100644
--- a/services/web/frontend/stylesheets/app/editor/pdf.less
+++ b/services/web/frontend/stylesheets/app/editor/pdf.less
@@ -146,6 +146,9 @@
       box-sizing: content-box;
       user-select: none;
     }
+    &:focus-within {
+      outline: none;
+    }
   }
   .progress-thin {
     position: absolute;