diff --git a/extension.json b/extension.json
index e06689b..fce3ffb 100644
--- a/extension.json
+++ b/extension.json
@@ -9,6 +9,7 @@
 	"url": "https://www.mediawiki.org/wiki/Extension:AJAX_Poll",
 	"descriptionmsg": "ajaxpoll-desc",
 	"type": "parserhook",
+	"callback": "AJAXPoll::onRegistration",
 	"GroupPermissions": {
 		"*": {
 			"ajaxpoll-vote": false,
@@ -63,10 +64,6 @@
 	"TrackingCategories": [
 		"ajaxpoll-tracking-category"
 	],
-	"config": {
-		"AjaxExportList": [
-			"AJAXPoll::submitVote"
-		]
-	},
+	"config": {},
 	"manifest_version": 1
 }
diff --git a/includes/AJAXPoll.class.php b/includes/AJAXPoll.class.php
index 8c8c2c6..64dfc73 100644
--- a/includes/AJAXPoll.class.php
+++ b/includes/AJAXPoll.class.php
@@ -15,6 +15,11 @@
  */
 class AJAXPoll {
 
+	public static function onRegistration() {
+		global $wgAjaxExportList;
+		$wgAjaxExportList[] = 'AJAXPoll::submitVote';
+	}
+
 	/**
 	 * Register <poll> tag with the parser
 	 *