diff --git a/core/attributedef/AttributeOQL.php b/core/attributedef/AttributeOQL.php
new file mode 100644
index 000000000..918df131a
--- /dev/null
+++ b/core/attributedef/AttributeOQL.php
@@ -0,0 +1,33 @@
+<?php
+
+/**
+ * Specialization of a string: OQL expression
+ *
+ * @package     iTopORM
+ */
+class AttributeOQL extends AttributeText
+{
+    const SEARCH_WIDGET_TYPE = self::SEARCH_WIDGET_TYPE_STRING;
+
+    /**
+     * Useless constructor, but if not present PHP 7.4.0/7.4.1 is crashing :( (N°2329)
+     *
+     * @see https://www.php.net/manual/fr/language.oop5.decon.php states that child constructor can be ommited
+     * @see https://bugs.php.net/bug.php?id=79010 bug solved in PHP 7.4.9
+     *
+     * @param string $sCode
+     * @param array $aParams
+     *
+     * @throws \Exception
+     * @noinspection SenselessProxyMethodInspection
+     */
+    public function __construct($sCode, $aParams)
+    {
+        parent::__construct($sCode, $aParams);
+    }
+
+    public function GetEditClass()
+    {
+        return "OQLExpression";
+    }
+}
\ No newline at end of file