diff --git a/_includes/figure.liquid b/_includes/figure.liquid
index a8d54da..a6f55a8 100644
--- a/_includes/figure.liquid
+++ b/_includes/figure.liquid
@@ -16,7 +16,8 @@
     {% if site.imagemagick.enabled %}
       <source
         class="responsive-img-srcset"
-        {% if ext == '.jpg' or ext == '.jpeg' or ext == '.png' or ext == '.tiff' or ext == '.gif' %}
+        {% if ext == 'gif' or ext == 'jpeg' or ext == 'jpg' or ext == 'png' or ext == 'tiff' %}
+          ​
           srcset="{% for i in site.imagemagick.widths %}{{ img_path | relative_url }}-{{ i }}.webp {{i}}w,{% endfor %}"
           type="image/webp"
         {% else %}