diff --git a/htdocs/website/index.php b/htdocs/website/index.php
index 9f003cd8a3b..a8fa5fd367e 100644
--- a/htdocs/website/index.php
+++ b/htdocs/website/index.php
@@ -2978,6 +2978,8 @@ if ($action == 'generatesitemaps' && $usercanedit) {
 
 if ($action == 'removecspsource' && $usercanedit) {
 	$db->begin();
+
+	$sourcetype = "";
 	$sourcecsp = explode("_", GETPOST("sourcecsp"));
 	$directive = $sourcecsp[0];
 	$sourcekey = !empty($sourcecsp[1]) ? $sourcecsp[1] : null;
@@ -2992,7 +2994,7 @@ if ($action == 'removecspsource' && $usercanedit) {
 		$error++;
 	}
 
-	$directivetype = $directivesarray[$directive]["data-directivetype"];
+	$directivetype = (string) $directivesarray[$directive]["data-directivetype"];
 	if (isset($sourcekey)) {
 		$sourcetype = $sourcesarray[$directivetype][$sourcekey]["data-sourcetype"];
 	}
@@ -3048,6 +3050,7 @@ if ($action == 'removecspsource' && $usercanedit) {
 		$db->rollback();
 		setEventMessages($langs->trans("ErrorRemovingSecurityPolicy"), null, 'errors');
 	}
+
 	header("Location: ".$_SERVER["PHP_SELF"].'?websiteid='.$websiteid."&action=editsecurity");
 	exit();
 }