diff --git a/inc/filters.php b/inc/filters.php
index 7204614a..ab48598f 100644
--- a/inc/filters.php
+++ b/inc/filters.php
@@ -28,7 +28,7 @@ class Filter {
 			case 'name':
 				return preg_match($match, $post['name']);
 			case 'trip':
-				return preg_match($match, $post['trip']);
+				return $match === $post['trip'];
 			case 'email':
 				return preg_match($match, $post['email']);
 			case 'subject':