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-rw-r--r--core/js/jquery.avatar.js8
1 files changed, 6 insertions, 2 deletions
diff --git a/core/js/jquery.avatar.js b/core/js/jquery.avatar.js
index 703bd9fd7dd..29d019baea7 100644
--- a/core/js/jquery.avatar.js
+++ b/core/js/jquery.avatar.js
@@ -48,8 +48,12 @@
(function ($) {
$.fn.avatar = function(user, size, ie8fix, hidedefault, callback, displayname) {
- user = String(user);
- displayname = String(displayname);
+ if (typeof(user) !== 'undefined') {
+ user = String(user);
+ }
+ if (typeof(displayname) !== 'undefined') {
+ displayname = String(displayname);
+ }
if (typeof(size) === 'undefined') {
if (this.height() > 0) {