diff --git a/core/include/update.inc.php b/core/include/update.inc.php
index c0229786..ebe8a045 100644
--- a/core/include/update.inc.php
+++ b/core/include/update.inc.php
@@ -790,4 +790,21 @@ if ($this->getData(['core', 'dataVersion']) < 11300) {
 
 	// Mise à jour
 	$this->setData(['core', 'dataVersion', 11300]);
-}
\ No newline at end of file
+}
+// Version 11.3.03
+if ($this->getData(['core', 'dataVersion']) < 11303) {
+
+	// Ajout de la variable shortTitle basée sur Title
+	foreach ($this->getHierarchy(null,null,null) as $parentKey=>$parentValue) {
+		$pageList [] = $parentKey;
+		foreach ($parentValue as $childKey) {
+			$pageList [] = $childKey;
+		}
+	}
+	foreach ($pageList as $parentKey => $parent) {
+		$this->setData(['page', $parent, 'extraPosition', false]);
+	}
+
+	// Mise à jour
+	$this->setData(['core', 'dataVersion', 11303]);
+}