Fix broken users page when a username consists of digits only, fixes #5560

diff --git a/core/js/jquery.avatar.js b/core/js/jquery.avatar.js
index dbab032b971ff025d82d6e85bdc8acb3428c2119..6012eccfad6ddcc65bdc85bcea871cfcc8c29fac 100644 (file)
--- a/core/js/jquery.avatar.js
+++ b/core/js/jquery.avatar.js
@@ -66,7 +66,7 @@
                }
 
                // sanitize
-               user = user.replace(/\//g,'');
+               user = String(user).replace(/\//g,'');
 
                var $div = this;