diff --git a/README.md b/README.md
index 210286d..34991a5 100644
--- a/README.md
+++ b/README.md
@@ -3,7 +3,7 @@
 **Tags:** OStatus, fediverse, activitypub, activitystream  
 **Requires at least:** 4.7  
 **Tested up to:** 6.3  
-**Stable tag:** 1.0.4  
+**Stable tag:** 1.0.5  
 **Requires PHP:** 5.6  
 **License:** MIT  
 **License URI:** http://opensource.org/licenses/MIT  
@@ -105,6 +105,10 @@ Where 'blog' is the path to the subdirectory at which your blog resides.
 
 Project maintained on GitHub at [automattic/wordpress-activitypub](https://github.com/automattic/wordpress-activitypub).
 
+### 1.0.5 ###
+
+* Fixed: compatibility with WebFinger and NodeInfo plugin
+
 ### 1.0.4 ###
 
 * Fixed: Constants were not loaded early enough, resulting in a race condition
diff --git a/activitypub.php b/activitypub.php
index 808d7ad..3ae2be9 100644
--- a/activitypub.php
+++ b/activitypub.php
@@ -3,7 +3,7 @@
  * Plugin Name: ActivityPub
  * Plugin URI: https://github.com/pfefferle/wordpress-activitypub/
  * Description: The ActivityPub protocol is a decentralized social networking protocol based upon the ActivityStreams 2.0 data format.
- * Version: 1.0.4
+ * Version: 1.0.5
  * Author: Matthias Pfefferle & Automattic
  * Author URI: https://automattic.com/
  * License: MIT
@@ -82,6 +82,12 @@ function plugin_init() {
 		require_once $debug_file;
 		Debug::init();
 	}
+
+	require_once __DIR__ . '/integration/class-webfinger.php';
+	Integration\Webfinger::init();
+
+	require_once __DIR__ . '/integration/class-nodeinfo.php';
+	Integration\Nodeinfo::init();
 }
 \add_action( 'plugins_loaded', __NAMESPACE__ . '\plugin_init' );
 
diff --git a/includes/rest/class-nodeinfo.php b/includes/rest/class-nodeinfo.php
index 8e62874..1f6277a 100644
--- a/includes/rest/class-nodeinfo.php
+++ b/includes/rest/class-nodeinfo.php
@@ -18,9 +18,6 @@ class Nodeinfo {
 	 */
 	public static function init() {
 		self::register_routes();
-
-		\add_filter( 'nodeinfo_data', array( self::class, 'add_nodeinfo_discovery' ), 10, 2 );
-		\add_filter( 'nodeinfo2_data', array( self::class, 'add_nodeinfo2_discovery' ), 10 );
 	}
 
 	/**
@@ -194,36 +191,4 @@ class Nodeinfo {
 
 		return new \WP_REST_Response( $discovery, 200 );
 	}
-
-	/**
-	 * Extend NodeInfo data
-	 *
-	 * @param array  $nodeinfo NodeInfo data
-	 * @param string           The NodeInfo Version
-	 *
-	 * @return array           The extended array
-	 */
-	public static function add_nodeinfo_discovery( $nodeinfo, $version ) {
-		if ( '2.0' === $version ) {
-			$nodeinfo['protocols'][] = 'activitypub';
-		} else {
-			$nodeinfo['protocols']['inbound'][]  = 'activitypub';
-			$nodeinfo['protocols']['outbound'][] = 'activitypub';
-		}
-
-		return $nodeinfo;
-	}
-
-	/**
-	 * Extend NodeInfo2 data
-	 *
-	 * @param  array $nodeinfo NodeInfo2 data
-	 *
-	 * @return array           The extended array
-	 */
-	public static function add_nodeinfo2_discovery( $nodeinfo ) {
-		$nodeinfo['protocols'][] = 'activitypub';
-
-		return $nodeinfo;
-	}
 }
diff --git a/includes/rest/class-webfinger.php b/includes/rest/class-webfinger.php
index 315fee1..f69593f 100644
--- a/includes/rest/class-webfinger.php
+++ b/includes/rest/class-webfinger.php
@@ -20,9 +20,6 @@ class Webfinger {
 	 */
 	public static function init() {
 		self::register_routes();
-
-		\add_filter( 'webfinger_user_data', array( self::class, 'add_user_discovery' ), 10, 3 );
-		\add_filter( 'webfinger_data', array( self::class, 'add_pseudo_user_discovery' ), 99, 2 );
 	}
 
 	/**
@@ -81,44 +78,6 @@ class Webfinger {
 		return $params;
 	}
 
-	/**
-	 * Add WebFinger discovery links
-	 *
-	 * @param array   $array    the jrd array
-	 * @param string  $resource the WebFinger resource
-	 * @param WP_User $user     the WordPress user
-	 *
-	 * @return array the jrd array
-	 */
-	public static function add_user_discovery( $array, $resource, $user ) {
-		$user = User_Collection::get_by_id( $user->ID );
-
-		$array['links'][] = array(
-			'rel'  => 'self',
-			'type' => 'application/activity+json',
-			'href' => $user->get_url(),
-		);
-
-		return $array;
-	}
-
-	/**
-	 * Add WebFinger discovery links
-	 *
-	 * @param array   $array    the jrd array
-	 * @param string  $resource the WebFinger resource
-	 * @param WP_User $user     the WordPress user
-	 *
-	 * @return array the jrd array
-	 */
-	public static function add_pseudo_user_discovery( $array, $resource ) {
-		if ( $array ) {
-			return $array;
-		}
-
-		return self::get_profile( $resource );
-	}
-
 	/**
 	 * Get the WebFinger profile.
 	 *
diff --git a/integration/class-buddypress.php b/integration/class-buddypress.php
index e4ec40e..45cfc0d 100644
--- a/integration/class-buddypress.php
+++ b/integration/class-buddypress.php
@@ -1,7 +1,15 @@
 <?php
 namespace Activitypub\Integration;
 
+/**
+ * Compatibility with the BuddyPress plugin
+ *
+ * @see https://buddypress.org/
+ */
 class Buddypress {
+	/**
+	 * Initialize the class, registering WordPress hooks
+	 */
 	public static function init() {
 		\add_filter( 'activitypub_json_author_array', array( self::class, 'add_user_metadata' ), 11, 2 );
 	}
diff --git a/integration/class-nodeinfo.php b/integration/class-nodeinfo.php
new file mode 100644
index 0000000..f1e2506
--- /dev/null
+++ b/integration/class-nodeinfo.php
@@ -0,0 +1,49 @@
+<?php
+namespace Activitypub\Integration;
+
+/**
+ * Compatibility with the NodeInfo plugin
+ *
+ * @see https://wordpress.org/plugins/nodeinfo/
+ */
+class Nodeinfo {
+	/**
+	 * Initialize the class, registering WordPress hooks
+	 */
+	public static function init() {
+		\add_filter( 'nodeinfo_data', array( self::class, 'add_nodeinfo_discovery' ), 10, 2 );
+		\add_filter( 'nodeinfo2_data', array( self::class, 'add_nodeinfo2_discovery' ), 10 );
+	}
+
+	/**
+	 * Extend NodeInfo data
+	 *
+	 * @param array  $nodeinfo NodeInfo data
+	 * @param string           The NodeInfo Version
+	 *
+	 * @return array The extended array
+	 */
+	public static function add_nodeinfo_discovery( $nodeinfo, $version ) {
+		if ( $version >= '2.0' ) {
+			$nodeinfo['protocols'][] = 'activitypub';
+		} else {
+			$nodeinfo['protocols']['inbound'][]  = 'activitypub';
+			$nodeinfo['protocols']['outbound'][] = 'activitypub';
+		}
+
+		return $nodeinfo;
+	}
+
+	/**
+	 * Extend NodeInfo2 data
+	 *
+	 * @param  array $nodeinfo NodeInfo2 data
+	 *
+	 * @return array The extended array
+	 */
+	public static function add_nodeinfo2_discovery( $nodeinfo ) {
+		$nodeinfo['protocols'][] = 'activitypub';
+
+		return $nodeinfo;
+	}
+}
diff --git a/integration/class-webfinger.php b/integration/class-webfinger.php
new file mode 100644
index 0000000..e7e3935
--- /dev/null
+++ b/integration/class-webfinger.php
@@ -0,0 +1,57 @@
+<?php
+namespace Activitypub\Integration;
+
+use Activitypub\Collection\Users as User_Collection;
+
+/**
+ * Compatibility with the WebFinger plugin
+ *
+ * @see https://wordpress.org/plugins/webfinger/
+ */
+class Webfinger {
+	/**
+	 * Initialize the class, registering WordPress hooks
+	 */
+	public static function init() {
+		\add_filter( 'webfinger_user_data', array( self::class, 'add_user_discovery' ), 10, 3 );
+		\add_filter( 'webfinger_data', array( self::class, 'add_pseudo_user_discovery' ), 99, 2 );
+	}
+
+	/**
+	 * Add WebFinger discovery links
+	 *
+	 * @param array   $array    the jrd array
+	 * @param string  $resource the WebFinger resource
+	 * @param WP_User $user     the WordPress user
+	 *
+	 * @return array the jrd array
+	 */
+	public static function add_user_discovery( $array, $resource, $user ) {
+		$user = User_Collection::get_by_id( $user->ID );
+
+		$array['links'][] = array(
+			'rel'  => 'self',
+			'type' => 'application/activity+json',
+			'href' => $user->get_url(),
+		);
+
+		return $array;
+	}
+
+	/**
+	 * Add WebFinger discovery links
+	 *
+	 * @param array   $array    the jrd array
+	 * @param string  $resource the WebFinger resource
+	 * @param WP_User $user     the WordPress user
+	 *
+	 * @return array the jrd array
+	 */
+	public static function add_pseudo_user_discovery( $array, $resource ) {
+		if ( $array ) {
+			return $array;
+		}
+
+		return self::get_profile( $resource );
+	}
+}
diff --git a/readme.txt b/readme.txt
index 3d5a9c9..7faed3d 100644
--- a/readme.txt
+++ b/readme.txt
@@ -3,7 +3,7 @@ Contributors: automattic, pfefferle, mediaformat, mattwiebe, akirk, jeherve, nur
 Tags: OStatus, fediverse, activitypub, activitystream
 Requires at least: 4.7
 Tested up to: 6.3
-Stable tag: 1.0.4
+Stable tag: 1.0.5
 Requires PHP: 5.6
 License: MIT
 License URI: http://opensource.org/licenses/MIT
@@ -105,6 +105,10 @@ Where 'blog' is the path to the subdirectory at which your blog resides.
 
 Project maintained on GitHub at [automattic/wordpress-activitypub](https://github.com/automattic/wordpress-activitypub).
 
+= 1.0.5 =
+
+* Fixed: compatibility with WebFinger and NodeInfo plugin
+
 = 1.0.4 =
 
 * Fixed: Constants were not loaded early enough, resulting in a race condition