1 files changed, 4 insertions, 1 deletions
diff --git a/src/main/assets/scripts.js b/src/main/assets/scripts.js
index 95ca913d..13f0cb75 100644
--- a/src/main/assets/scripts.js
+++ b/src/main/assets/scripts.js
@@ -524,6 +524,9 @@ function fetchUserUri(dataUri, callback) {
             .then(json => {
                 users[dataUri] = json;
                 callback(json);
+            })
+            .catch(e => {
+                callback({ preferredUsername: dataUri });
             });
     }
 }
@@ -731,7 +734,7 @@ ready(() => {
                         }
                         let textNode = a.childNodes[0];
                         if (textNode && textNode.nodeType === Node.TEXT_NODE && textNode.nodeValue && textNode.nodeValue.trim().length > 0) {
-                            let uname = document.createTextNode(user.preferredUsername);
+                            let uname = document.createTextNode(user.preferredUsername || dataUri);
                             if (a.firstChild) {
                                 a.replaceChild(uname, a.firstChild);
                             }