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-rw-r--r--lib/classes/DataFieldSelectboxMultipleEntry.php2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/classes/DataFieldSelectboxMultipleEntry.php b/lib/classes/DataFieldSelectboxMultipleEntry.php
index 3abb373..6576aa1 100644
--- a/lib/classes/DataFieldSelectboxMultipleEntry.php
+++ b/lib/classes/DataFieldSelectboxMultipleEntry.php
@@ -19,7 +19,7 @@ class DataFieldSelectboxMultipleEntry extends DataFieldSelectboxEntry
* @param String $rangeID Range id
* @param mixed $value Value
*/
- public function __construct(DataField $datafield = null, $rangeID = '', $value = null)
+ public function __construct(?DataField $datafield = null, $rangeID = '', $value = null)
{
parent::__construct($datafield, $rangeID, $value);