diff --git a/layouts/shortcodes/embed-pdf.html b/layouts/shortcodes/embed-pdf.html
index 1c2ecd6..335852a 100644
--- a/layouts/shortcodes/embed-pdf.html
+++ b/layouts/shortcodes/embed-pdf.html
@@ -128,7 +128,7 @@ View the PDF file <a class="pdf-source" id="pdf-source-noscript-{{ substr (.Get
 
     // The workerSrc property shall be specified.
     if (pdfjsLib.GlobalWorkerOptions.workerSrc == '')
-      pdfjsLib.GlobalWorkerOptions.workerSrc = "{{.Site.BaseURL}}" + 'js/pdf-js/build/pdf.worker.js';
+      pdfjsLib.GlobalWorkerOptions.workerSrc = "{{.Site.BaseURL}}" + '/js/pdf-js/build/pdf.worker.js';
 
     // Change the Scale value for lower or higher resolution.
     var pdfDoc = null,