diff --git a/core/displayablegraph.class.inc.php b/core/displayablegraph.class.inc.php
index a7801078c7..fdf72bd647 100644
--- a/core/displayablegraph.class.inc.php
+++ b/core/displayablegraph.class.inc.php
@@ -1564,7 +1564,7 @@ EOF
 	 * @throws \Twig\Error\RuntimeError
 	 * @throws \Twig\Error\SyntaxError
 	 */
-	public function DisplayFiltering(string $sContextKey, array $aContextParams, array $aExcludedObjects, WebPage $oP, array $aResults, bool $sLazyLoading = false): array
+	public function DisplayFiltering(string $sContextKey, array $aContextParams, array $aExcludedObjects, WebPage $oP, array $aResults, bool $bLazyLoading = false): array
 	{
 		$aContextDefs = static::GetContextDefinitions($sContextKey, true, $aContextParams);
 		$aExcludedByClass = array();