diff --git a/config/shortcodes/index.js b/config/shortcodes/index.js
index df0ff6c5..8c6269ff 100644
--- a/config/shortcodes/index.js
+++ b/config/shortcodes/index.js
@@ -12,7 +12,7 @@ export const img = async (
   alt = '',
   className,
   loading = 'lazy',
-  shape = 'square',
+  shape = '',
   icon,
   maxWidth = 1248,
   sizes = '90vw',
diff --git a/src/_includes/partials/webmentions/comments.liquid b/src/_includes/partials/webmentions/comments.liquid
index 8d1b853c..5c76ab51 100644
--- a/src/_includes/partials/webmentions/comments.liquid
+++ b/src/_includes/partials/webmentions/comments.liquid
@@ -8,7 +8,7 @@
             <div class="avatar__wrapper flex--centered">
             {% capture authorAlt %}{{ mention.author.name | escape }}{% endcapture %}
             {% capture fallbackIcon %}{% tablericon "user" authorAlt %}{% endcapture %}
-            {% image mention.author.photo, authorAlt, 'avatar__image', 'lazy', 'rounded', fallbackIcon %}
+            {% image mention.author.photo, authorAlt, 'avatar__image', 'lazy', 'square', fallbackIcon %}
             </div>
           </a>
           <div class="comment">
diff --git a/src/_includes/partials/webmentions/interaction.liquid b/src/_includes/partials/webmentions/interaction.liquid
index 8c13fc3f..fff52b47 100644
--- a/src/_includes/partials/webmentions/interaction.liquid
+++ b/src/_includes/partials/webmentions/interaction.liquid
@@ -13,7 +13,7 @@
       <div class="avatar__wrapper flex--centered">
         {% capture authorAlt %}{{ mention.author.name | escape }}{% endcapture %}
         {% capture fallbackIcon %}{% tablericon "user" authorAlt %}{% endcapture %}
-        {% image mention.author.photo, authorAlt, 'avatar__image', 'lazy', 'rounded', fallbackIcon %}
+        {% image mention.author.photo, authorAlt, 'avatar__image', 'lazy', 'square', fallbackIcon %}
       </div>
     </a>
     {% endfor %}