diff --git a/antispam_bee.php b/antispam_bee.php
index 01fca0ca..e095bf81 100755
--- a/antispam_bee.php
+++ b/antispam_bee.php
@@ -330,7 +330,7 @@ public static function init() {
 					'precheck_incoming_request',
 				)
 			);
-			add_action(
+			add_filter(
 				'preprocess_comment',
 				array(
 					__CLASS__,