diff --git a/src/js/yunohost/controllers/users.js b/src/js/yunohost/controllers/users.js
index 03c9425d..58ecad4a 100644
--- a/src/js/yunohost/controllers/users.js
+++ b/src/js/yunohost/controllers/users.js
@@ -207,7 +207,8 @@
         }
 
         c.params['domain'] = c.params['domain'].slice(1);
-
+        c.params['username'] = c.params['username'].trim();
+        
         c.api('POST', '/users', c.params.toHash(), function(data) {
             c.redirect_to('#/users');
         });