diff --git a/_includes/head.html b/_includes/head.html
index b7bb45f784c22..4ea6a25f11b1b 100644
--- a/_includes/head.html
+++ b/_includes/head.html
@@ -3,12 +3,13 @@
   <meta http-equiv="X-UA-Compatible" content="IE=edge" />
   <meta name="viewport" content="width=device-width, initial-scale=1" />
   {% if page.layout == "eip" %}
+    {% assign eip = page.url | split: "eip-" | last | xml_escape %}
     {% if page.category == "ERC" %}
-      <title>ERC-{{ page.eip }}: {{ page.title | escape }}</title>
-      <meta propery="og:title" content="ERC-{{ page.eip }}: {{ page.title | escape }}" />
+      <title>ERC-{{ eip }}: {{ page.title | escape }}</title>
+      <meta propery="og:title" content="ERC-{{ eip }}: {{ page.title | escape }}" />
     {% else %}
-      <title>EIP-{{ page.eip }}: {{ page.title | escape }}</title>
-      <meta property="og:title" content="EIP-{{ page.eip }}: {{ page.title | escape }}" />
+      <title>EIP-{{ eip }}: {{ page.title | escape }}</title>
+      <meta property="og:title" content="EIP-{{ eip }}: {{ page.title | escape }}" />
     {% endif %}
     <meta name="description" content="{{page.description | escape }}" />
     <meta property="og:description" content="{{page.description | escape }}" />