diff --git a/webapp/titanembeds/static/js/embed.js b/webapp/titanembeds/static/js/embed.js
index 95a25f3..5d2510a 100644
--- a/webapp/titanembeds/static/js/embed.js
+++ b/webapp/titanembeds/static/js/embed.js
@@ -524,8 +524,10 @@
             });
             funct.fail(function(data) {
                 Materialize.toast('Failed to send message.', 10000);
-                for (var i = 0; i < data.responseJSON.illegal_reasons.length; i++) {
-                  Materialize.toast(data.responseJSON.illegal_reasons[i], 10000);
+                if (data.responseJSON) {
+                    for (var i = 0; i < data.responseJSON.illegal_reasons.length; i++) {
+                        Materialize.toast(data.responseJSON.illegal_reasons[i], 10000);
+                    }
                 }
             });
             funct.catch(function(data) {