diff --git a/etc/inc/filter.inc b/etc/inc/filter.inc
index cabc3d6ff8..53abee5ef9 100644
--- a/etc/inc/filter.inc
+++ b/etc/inc/filter.inc
@@ -2633,6 +2633,8 @@ EOD;
 	 */
 	if(is_array($config['captiveportal'])) {
 		foreach ($config['captiveportal'] as $cpcfg) {
+			if(!isset($cpcfg['enable']))
+				continue;
 			$cpinterfaces = explode(",", $cpcfg['interface']);
 			$cpiflist = array();
 			$cpiplist = array();