diff --git a/static/reader/pdf.js b/static/reader/pdf.js
index 490c62d..8f47db0 100644
--- a/static/reader/pdf.js
+++ b/static/reader/pdf.js
@@ -53,10 +53,10 @@ function renderAnnotation(annotation) {
     if (!page.canvas) {
         setTimeout(function() {
             renderAnnotation(annotation)
-        }, 50)
+        }, 10)
         return
     }
-    var pageElement = page.canvas.parentElement;
+    var pageElement = page.canvas.parentElement.parentElement;
     var viewport = page.viewport;
     annotation.coords.forEach(function (rect) {
         var bounds = viewport.convertToViewportRectangle(rect);
@@ -68,6 +68,7 @@ function renderAnnotation(annotation) {
         el.setAttribute('style', 'position: absolute; background-color: yellow;opacity:0.3;' + 
             'left:' + Math.min(bounds[0], bounds[2]) + 'px; top:' + Math.min(bounds[1], bounds[3]) + 'px;' +
             'width:' + Math.abs(bounds[0] - bounds[2]) + 'px; height:' + Math.abs(bounds[1] - bounds[3]) + 'px;');
+
         el.addEventListener('click', function() {
             if (el.classList.contains('selected')) {
                 deselectAnnotation(annotation.id)