diff --git a/public/views/hackmd/head.ejs b/public/views/hackmd/head.ejs
index 1f72285..8dfef43 100644
--- a/public/views/hackmd/head.ejs
+++ b/public/views/hackmd/head.ejs
@@ -15,8 +15,8 @@
<%- include ../build/index-header %>
+<%- include ../shared/polyfill %>
<% } else { %>
<%- include ../build/index-pack-header %>
<% } %>
-<%- include ../shared/polyfill %>
\ No newline at end of file
diff --git a/public/views/index/head.ejs b/public/views/index/head.ejs
index bbd1456..e43c57d 100644
--- a/public/views/index/head.ejs
+++ b/public/views/index/head.ejs
@@ -16,7 +16,7 @@
<%- include ../build/cover-header %>
+<%- include ../shared/polyfill %>
<% } else { %>
<%- include ../build/cover-pack-header %>
<% } %>
-<%- include ../shared/polyfill %>
\ No newline at end of file
diff --git a/public/views/pretty.ejs b/public/views/pretty.ejs
index 91d9c36..395f921 100644
--- a/public/views/pretty.ejs
+++ b/public/views/pretty.ejs
@@ -24,11 +24,11 @@
<%- include build/pretty-header %>
+ <%- include shared/polyfill %>
<% } else { %>
<%- include build/pretty-pack-header %>
<% } %>
- <%- include shared/polyfill %>
diff --git a/public/views/slide.ejs b/public/views/slide.ejs
index a9d2b70..7b9ae29 100644
--- a/public/views/slide.ejs
+++ b/public/views/slide.ejs
@@ -22,6 +22,7 @@
<%- include build/slide-header %>
+ <%- include shared/polyfill %>
<% } else { %>
@@ -47,8 +48,6 @@
link.href = '<%- url %>/build/reveal.js/' + (window.location.search.match( /print-pdf/gi ) ? 'css/print/pdf.css' : 'css/print/paper.css');
document.getElementsByTagName( 'head' )[0].appendChild( link );
-
- <%- include shared/polyfill %>