diff --git a/componentbuildersiteheaderstabs.xml b/componentbuildersiteheaderstabs.xml
index d4389cb..6b95481 100644
--- a/componentbuildersiteheaderstabs.xml
+++ b/componentbuildersiteheaderstabs.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <extension type="plugin" version="3.10" group="content" method="upgrade">
 	<name>PLG_CONTENT_COMPONENTBUILDERSITEHEADERSTABS</name>
-	<creationDate>29th September, 2024</creationDate>
+	<creationDate>7th October, 2024</creationDate>
 	<author>Llewellyn van der Merwe</author>
 	<authorEmail>joomla@vdm.io</authorEmail>
 	<authorUrl>https://dev.vdm.io</authorUrl>
diff --git a/script.php b/script.php
index 49ddb70..0e8f2ef 100644
--- a/script.php
+++ b/script.php
@@ -51,7 +51,7 @@ class plgContentComponentbuilderSiteHeadersTabsInstallerScript
 
 			// check that componentbuilder is installed
 			$pathToCore = JPATH_ADMINISTRATOR . '/components/com_componentbuilder/helpers/componentbuilder.php';
-			if (!JFile::exists($pathToCore))
+			if (!is_file($pathToCore))
 			{
 				$app->enqueueMessage('Joomla Component Builder must first be installed from <a href="https://www.joomlacomponentbuilder.com/ " target="_blank">Joomla Component Builder</a>.', 'error');
 				return false;