diff --git a/tools/WebhookProcessor/github_webhook_processor.php b/tools/WebhookProcessor/github_webhook_processor.php
index 347c261720c..ea99d905e99 100644
--- a/tools/WebhookProcessor/github_webhook_processor.php
+++ b/tools/WebhookProcessor/github_webhook_processor.php
@@ -276,6 +276,7 @@ function tag_pr($payload, $opened) {
 
 	check_tag_and_replace($payload, '[dnm]', 'Do Not Merge', $tags);
 	check_tag_and_replace($payload, '[no gbp]', 'GBP: No Update', $tags);
+	check_tag_and_replace($payload, '[april fools]', 'April Fools', $tags);
 
 	return array($tags, $remove);
 }