diff --git a/templates/index.html b/templates/index.html
index 98e76ac..91482f7 100644
--- a/templates/index.html
+++ b/templates/index.html
@@ -166,7 +166,7 @@
           container.innerHTML = '<p>Select a domain</p>';
           return;
         }
-        path = 'domains/' + currentDomain + '/' + currentInterval;
+        path = 'domains/' + encodeURIComponent(currentDomain) + '/' + currentInterval;
       }
 
       fetch(path + '/reports.json')