diff --git a/pdf_file/templates/pdf_file/view.html b/pdf_file/templates/pdf_file/view.html
index ee48e95..4b8b4d0 100644
--- a/pdf_file/templates/pdf_file/view.html
+++ b/pdf_file/templates/pdf_file/view.html
@@ -49,7 +49,7 @@
         </div>
     </div>
     <object width="100%" height="800px" type="application/pdf" data="{{pdf_file.file.url}}" id="pdf_content">
-        <iframe id="pdfviewer" src="http://docs.google.com/gview?embedded=true&url={{pdf_file.file.url}}" frameborder="0" width="100%" height="800px"></iframe>
+        <iframe id="pdfviewer" src="https://docs.google.com/gview?embedded=true&url={{ absolute_url }}" frameborder="0" width="100%" height="800px"></iframe>
         {# <p>{% trans "PDF could not be displayed" %}</p> #}
     </object>
 {% endblock content %}
\ No newline at end of file
diff --git a/pdf_file/views.py b/pdf_file/views.py
index e459301..e3208b0 100644
--- a/pdf_file/views.py
+++ b/pdf_file/views.py
@@ -53,7 +53,9 @@ class ViewPDFFile(LoginRequiredMixin, LogMixin, generic.TemplateView):
         context = super(ViewPDFFile, self).get_context_data(**kwargs)
         slug = self.kwargs.get('slug', '')
         pdf_file = PDFFile.objects.get(slug=slug)
+        
         context['pdf_file'] = pdf_file
+        context['absolute_url'] = self.request.build_absolute_uri(pdf_file.file.url)
         context['subject'] = pdf_file.topic.subject
 
         self.log_context['category_id'] = pdf_file.topic.subject.category.id
--
libgit2 0.21.2