diff --git a/libraries/legacy/form/field/componentlayout.php b/libraries/legacy/form/field/componentlayout.php
index cc68baa1f882b..70ac4a0b63c89 100644
--- a/libraries/legacy/form/field/componentlayout.php
+++ b/libraries/legacy/form/field/componentlayout.php
@@ -115,7 +115,7 @@ protected function getInput()
 			$groups = array();
 
 			// Add a Use Global option if useglobal="true" in XML file
-			if ($this->element['useglobal'] === 'true')
+			if ((string) $this->element['useglobal'] === 'true')
 			{
 				$groups[JText::_('JOPTION_FROM_STANDARD')]['items'][] = JHtml::_('select.option', '', JText::_('JGLOBAL_USE_GLOBAL'));
 			}