diff --git a/cards/templates/cards/base.html b/cards/templates/cards/base.html
index d844823..98ae92b 100644
--- a/cards/templates/cards/base.html
+++ b/cards/templates/cards/base.html
@@ -201,17 +201,17 @@
           // Match paths like /cards/preview/123/ optionally with trailing slash
           var m = path.match(/\/cards\/preview\/(\d+)\/?$/);
           if(m){
-              var root = document.getElementById('modal-root');
+            var root = document.getElementById('modal-root');
               // If server already rendered a modal fragment into #modal-root, do nothing.
-              if(root && root.innerHTML && root.innerHTML.trim().length > 0) return;
-              var url = window.location.pathname + window.location.search;
-              fetch(url, {credentials: 'same-origin'})
-                .then(function(r){ if(!r.ok) throw new Error('fetch failed'); return r.text(); })
-                .then(function(html){
-                  var root = document.getElementById('modal-root');
-                  if(root){ root.innerHTML = html; }
-                }).catch(function(){ /* ignore */ });
-            }
+            if(root && root.innerHTML && root.innerHTML.trim().length > 0) return;
+            var url = window.location.pathname + window.location.search;
+            fetch(url, {credentials: 'same-origin'})
+              .then(function(r){ if(!r.ok) throw new Error('fetch failed'); return r.text(); })
+              .then(function(html){
+                var root = document.getElementById('modal-root');
+                if(root){ root.innerHTML = html; }
+              }).catch(function(){ /* ignore */ });
+          }
         }catch(e){ /* ignore */ }
       }
       if(document.readyState === 'loading') document.addEventListener('DOMContentLoaded', tryOpenPreviewFromUrl);