diff --git a/static/buckler.js b/static/buckler.js
index 0009e6c..f389266 100644
--- a/static/buckler.js
+++ b/static/buckler.js
@@ -15,7 +15,9 @@ function load() {
 			}
 		});
 	});
-	document.querySelector('#user_perm_form').addEventListener('submit', submit_user_perms);
+	if (user_perms) {
+		document.querySelector('#user_perm_form').addEventListener('submit', submit_user_perms);
+	}
 }
 
 function submit_user_perms(event) {
diff --git a/templates/index.html b/templates/index.html
index f6208f5..0196a40 100644
--- a/templates/index.html
+++ b/templates/index.html
@@ -4,7 +4,7 @@
 		<title>Buckler</title>
 		<link rel="stylesheet" type="text/css" href="/static/buckler.css">
 		<script>
-			var user_perms = {{ user_perms_json|safe }};
+			var user_perms = {% if request['session']['admin'] %}{{ user_perms_json|safe }}{% else %}null{% endif %};
 		</script>
 		<script type="text/javascript" src="/static/buckler.js"></script>
 		<script>window.onload = load;</script>