diff --git a/core/attributedef/AttributeLongText.php b/core/attributedef/AttributeLongText.php
new file mode 100644
index 000000000..73a9668b4
--- /dev/null
+++ b/core/attributedef/AttributeLongText.php
@@ -0,0 +1,45 @@
+<?php
+
+/**
+ * Map a log to an attribute
+ *
+ * @package     iTopORM
+ */
+class AttributeLongText extends AttributeText
+{
+    /**
+     * 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, $aParams);
+    }
+
+    protected function GetSQLCol($bFullSpec = false)
+    {
+        return "LONGTEXT" . CMDBSource::GetSqlStringColumnDefinition();
+    }
+
+    public function GetMaxSize()
+    {
+        // Is there a way to know the current limitation for mysql?
+        // See mysql_field_len()
+        return 65535 * 1024; // Limited... still 64 MB!
+    }
+
+    protected function GetChangeRecordClassName(): string
+    {
+        return ($this->GetFormat() === 'html')
+            ? CMDBChangeOpSetAttributeHTML::class
+            : CMDBChangeOpSetAttributeLongText::class;
+    }
+}
\ No newline at end of file