diff --git a/bayer/templates/objects/compound_structure_viz.html b/bayer/templates/objects/compound_structure_viz.html
index 8924c63e..44892470 100644
--- a/bayer/templates/objects/compound_structure_viz.html
+++ b/bayer/templates/objects/compound_structure_viz.html
@@ -3,7 +3,9 @@
   <div class="collapse-arrow bg-base-200 collapse">
     <input type="checkbox" checked />
     <div class="collapse-title text-xl font-medium">Link to PES</div>
-    <div class="collapse-content">{{ compound_structure.pes_link }}</div>
+    <div class="collapse-content">
+      <a href="{{ compound.default_structure.pes_link }}" class="hover:bg-base-200">{{ compound.default_structure.pes_link }}</a>
+    </div>
   </div>
 
   <!-- Image Representation -->
diff --git a/bayer/templates/objects/compound_viz.html b/bayer/templates/objects/compound_viz.html
index 9ff10e75..c752299c 100644
--- a/bayer/templates/objects/compound_viz.html
+++ b/bayer/templates/objects/compound_viz.html
@@ -3,7 +3,9 @@
   <div class="collapse-arrow bg-base-200 collapse">
     <input type="checkbox" checked />
     <div class="collapse-title text-xl font-medium">Link to PES</div>
-    <div class="collapse-content">{{ compound.default_structure.pes_link }}</div>
+    <div class="collapse-content">
+      <a href="{{ compound.default_structure.pes_link }}" class="hover:bg-base-200">{{ compound.default_structure.pes_link }}</a>
+    </div>
   </div>
 
   <!-- Image Representation -->