diff --git a/typo3/sysext/backend/Classes/Form/FieldWizard/LocalizationStateSelector.php b/typo3/sysext/backend/Classes/Form/FieldWizard/LocalizationStateSelector.php
index 8dd0f62c31bf9d1cb584dd0cb38c08c2d7d963c2..0f3f52580480d092a978abfb48c2e3da8a9f7a1d 100644
--- a/typo3/sysext/backend/Classes/Form/FieldWizard/LocalizationStateSelector.php
+++ b/typo3/sysext/backend/Classes/Form/FieldWizard/LocalizationStateSelector.php
@@ -75,7 +75,7 @@ class LocalizationStateSelector extends AbstractNode
         );
 
         $fieldElementName = 'data[' . htmlspecialchars($this->data['tableName']) . ']'
-            . '[' . (int)($this->data['databaseRow']['uid']) . ']'
+            . '[' . htmlspecialchars((string)$this->data['databaseRow']['uid']) . ']'
             . '[' . htmlspecialchars($l10nStateFieldName) . ']'
             . '[' . htmlspecialchars($this->data['fieldName']) . ']';