diff --git a/_includes/_head.html b/_includes/_head.html
index 399ea5bc..22362d4d 100644
--- a/_includes/_head.html
+++ b/_includes/_head.html
@@ -4,7 +4,14 @@
 <meta name="keywords" content="{{ page.tags | join: ', ' }}">
 {% if site.owner.twitter %}<!-- Twitter Cards -->
 {% if page.image.feature %}<meta name="twitter:card" content="summary_large_image">
-<meta name="twitter:image" content="{{ site.url }}/images/{{ page.image.feature }}">
+<meta name="twitter:image" content=
+	{% if page.image.feature contains 'http://' %}
+		"{{ page.image.feature }}"
+	{% elsif page.image.feature contains 'https://' %}
+		"{{ page.image.feature }}"
+	{% else %}
+		"{{ site.url }}/images/{{ page.image.feature }}">
+	{% endif %}
 {% else %}<meta name="twitter:card" content="summary">
 <meta name="twitter:image" content="{% if page.image.thumb %}{{ site.url }}/images/{{ page.image.thumb }}{% else %}{{ site.url }}/images/{{ site.logo }}{% endif %}">{% endif %}
 <meta name="twitter:title" content="{% if page.title %}{{ page.title }}{% else %}{{ site.title }}{% endif %}">