diff --git a/lib/mblinks.js b/lib/mblinks.js
index 34fbb9b..ccb2e30 100644
--- a/lib/mblinks.js
+++ b/lib/mblinks.js
@@ -84,8 +84,8 @@ var MBLinks = function (cachekey, expiration) {
     } else {
       mblinks.ajax_requests.push($.proxy(function () {
         var context = this;
-        $.getJSON('//musicbrainz.org/ws/2/url?resource=' + context.url + '&inc=' + context.mb_type +
-          '-rels',
+        $.getJSON('//musicbrainz.org/ws/2/url?resource=' + encodeURIComponent(context.url)
+                  + '&inc=' + context.mb_type + '-rels',
           function (data) {
             if ('relations' in data) {
               var expires = new Date().getTime() + (mblinks.expirationMinutes * 60 * 1000);