diff --git a/theme/templates/index.html b/theme/templates/index.html
index e11b847e765b3cadfc01c7227402c015a953c8c9..e772b6fb69c6cba4d95a88aed56816d924d71ccb 100644
--- a/theme/templates/index.html
+++ b/theme/templates/index.html
@@ -16,12 +16,12 @@
           </div>
         </div>
         <div class="level-item image">
-          <img src="{{ site_url }}/theme/images/placeholder.png">
+          <img src="{{ main_siteurl }}/theme/images/placeholder.png">
         </div>
       </div>
       <div class="level">
         <div class="level-item image">
-          <img src="{{ site_url }}/theme/images/placeholder.png">
+          <img src="{{ main_siteurl }}/theme/images/placeholder.png">
         </div>
         <div class="level-item content">
           <div>
@@ -42,12 +42,12 @@
           </div>
         </div>
         <div class="level-item image">
-          <img src="{{ site_url }}/theme/images/placeholder.png">
+          <img src="{{ main_siteurl }}/theme/images/placeholder.png">
         </div>
       </div>
       <div class="level">
         <div class="level-item image">
-          <img src="{{ site_url }}/theme/images/placeholder.png">
+          <img src="{{ main_siteurl }}/theme/images/placeholder.png">
         </div>
         <div class="level-item content">
           <div>