diff --git a/public/main/inc/lib/formvalidator/Element/DatePicker.php b/public/main/inc/lib/formvalidator/Element/DatePicker.php
index d121cb951a..28d19c7aeb 100644
--- a/public/main/inc/lib/formvalidator/Element/DatePicker.php
+++ b/public/main/inc/lib/formvalidator/Element/DatePicker.php
@@ -137,7 +137,7 @@ class DatePicker extends HTML_QuickForm_text
     {
         $locale = api_get_language_isocode();
         $userInfo = api_get_user_info();
-        if (is_array($userInfo) && !empty($userInfo['language'])) {
+        if (is_array($userInfo) && !empty($userInfo['language']) && ANONYMOUS != $userInfo['status']) {
             $locale = $userInfo['language'];
         }
 
diff --git a/public/main/inc/lib/formvalidator/Element/DateTimePicker.php b/public/main/inc/lib/formvalidator/Element/DateTimePicker.php
index e12d10680c..066742bf04 100644
--- a/public/main/inc/lib/formvalidator/Element/DateTimePicker.php
+++ b/public/main/inc/lib/formvalidator/Element/DateTimePicker.php
@@ -119,7 +119,7 @@ class DateTimePicker extends HTML_QuickForm_text
     {
         $locale = api_get_language_isocode();
         $userInfo = api_get_user_info();
-        if (is_array($userInfo) && !empty($userInfo['language'])) {
+        if (is_array($userInfo) && !empty($userInfo['language']) && ANONYMOUS != $userInfo['status']) {
             $locale = $userInfo['language'];
         }