diff --git a/core/parameters.class.inc.php b/core/parameters.class.inc.php
index 564a22e3..476e3275 100644
--- a/core/parameters.class.inc.php
+++ b/core/parameters.class.inc.php
@@ -166,7 +166,12 @@ protected function ReadElement(SimpleXMLElement $oElement)
 
 			case 'int':
 			case 'integer':
-				$value = (int)$oElement;
+				$value = filter_var($oElement, FILTER_VALIDATE_INT);
+				break;
+
+			case 'bool':
+			case 'boolean':
+				$value = filter_var($oElement, FILTER_VALIDATE_BOOL);
 				break;
 
 			case 'string':