diff --git a/templates/shortcodes/image.html b/templates/shortcodes/image.html
index 410be76..091eeb8 100644
--- a/templates/shortcodes/image.html
+++ b/templates/shortcodes/image.html
@@ -1,3 +1,8 @@
 {% if src %}
+  {# If the image's URL is internal to the site... #}
+  {% if src is not starting_with("http") %}
+    {# ... then prepend the site's base URL to the image's URL. #}
+    {% set src = config.base_url ~ src %}
+  {% endif %}
   <img src="{{ src | safe }}"{% if alt %} alt="{{ alt }}"{% endif %} class="{% if position %}{{ position }}{% else -%} center {%- endif %}" {%- if style %} style="{{ style | safe }}" {%- endif %} />
 {% endif %}