diff --git a/js/h5p.js b/js/h5p.js
index 04acfe1..6d930a1 100644
--- a/js/h5p.js
+++ b/js/h5p.js
@@ -967,7 +967,7 @@ H5P.findCopyrights = function (info, parameters, contentId) {
  */
 H5P.openEmbedDialog = function ($element, embedCode, resizeCode, size) {
   var fullEmbedCode = embedCode + resizeCode;
-  var dialog = new H5P.Dialog('embed', H5P.t('embed'), '<textarea class="h5p-embed-code-container" autocorrect="off" autocapitalize="off" spellcheck="false"></textarea>' + H5P.t('size') + ': <input type="text" value="' + size.width + '" class="h5p-embed-size"/> × <input type="text" value="' + size.height + '" class="h5p-embed-size"/> px<br/><div role="button" tabindex="0" class="h5p-expander">' + H5P.t('showAdvanced') + '</div><div class="h5p-expander-content"><p>' + H5P.t('advancedHelp') + '</p><textarea class="h5p-embed-code-container" autocorrect="off" autocapitalize="off" spellcheck="false">' + resizeCode + '</textarea></div>', $element);
+  var dialog = new H5P.Dialog('embed', H5P.t('embed'), '<textarea class="h5p-embed-code-container" autocorrect="off" autocapitalize="off" spellcheck="false"></textarea>' + H5P.t('size') + ': <input type="text" value="' + Math.ceil(size.width) + '" class="h5p-embed-size"/> × <input type="text" value="' + Math.ceil(size.height) + '" class="h5p-embed-size"/> px<br/><div role="button" tabindex="0" class="h5p-expander">' + H5P.t('showAdvanced') + '</div><div class="h5p-expander-content"><p>' + H5P.t('advancedHelp') + '</p><textarea class="h5p-embed-code-container" autocorrect="off" autocapitalize="off" spellcheck="false">' + resizeCode + '</textarea></div>', $element);
 
   // Selecting embed code when dialog is opened
   H5P.jQuery(dialog).on('dialog-opened', function (event, $dialog) {