diff --git a/README.md b/README.md
index 1e405f89..a8a80011 100644
--- a/README.md
+++ b/README.md
@@ -4,7 +4,7 @@
 **Tags:** OStatus, fediverse, activitypub, activitystream  
 **Requires at least:** 4.7  
 **Tested up to:** 6.1  
-**Stable tag:** 0.16.0  
+**Stable tag:** 0.16.1  
 **Requires PHP:** 5.6  
 **License:** MIT  
 **License URI:** http://opensource.org/licenses/MIT  
@@ -88,6 +88,10 @@ Where 'blog' is the path to the subdirectory at which your blog resides.
 
 Project maintained on GitHub at [pfefferle/wordpress-activitypub](https://github.com/pfefferle/wordpress-activitypub).
 
+### 0.16.1 ###
+
+* Fix "update and create, posts appear blank on Mastodon" issue
+
 ### 0.16.0 ###
 
 * Add "Outgoing Mentions" ([#213](https://github.com/pfefferle/wordpress-activitypub/pull/213)) props [@akirk](https://github.com/akirk)
diff --git a/activitypub.php b/activitypub.php
index cc07f5d4..b6595208 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: 0.16.0
+ * Version: 0.16.1
  * Author: Matthias Pfefferle
  * Author URI: https://notiz.blog/
  * License: MIT
diff --git a/includes/model/class-post.php b/includes/model/class-post.php
index 543a8903..ed7f4534 100644
--- a/includes/model/class-post.php
+++ b/includes/model/class-post.php
@@ -369,11 +369,14 @@ public function get_object_type() {
 	 * @return string the content
 	 */
 	public function get_content() {
+		global $post;
+
 		if ( $this->content ) {
 			return $this->content;
 		}
 
-		$post = $this->post;
+		// phpcs:ignore WordPress.WP.GlobalVariablesOverride.Prohibited
+		$post    = $this->post;
 		$content = $this->get_post_content_template();
 
 		// Fill in the shortcodes.
@@ -386,7 +389,7 @@ public function get_content() {
 		$filtered_content = \apply_filters( 'activitypub_the_content', $content, $post );
 		$decoded_content = \html_entity_decode( $filtered_content, \ENT_QUOTES, 'UTF-8' );
 
-		$content = \trim( \preg_replace( '/[\n\r]/', '', $content ) );
+		$content = \trim( \preg_replace( '/[\n\r\t]/', '', $content ) );
 
 		$this->content = $content;
 
@@ -455,29 +458,4 @@ public static function upgrade_post_content_template() {
 
 		return $content;
 	}
-
-	/**
-	 * Adds all tags as hashtags to the post/summary content
-	 *
-	 * @param string  $content
-	 * @param WP_Post $post
-	 *
-	 * @return string
-	 */
-	public function get_the_mentions() {
-		$post = $this->post;
-		$tags = \get_the_tags( $post->ID );
-
-		if ( ! $tags ) {
-			return '';
-		}
-
-		$hash_tags = array();
-
-		foreach ( $tags as $tag ) {
-			$hash_tags[] = \sprintf( '<a rel="tag" class="u-tag u-category" href="%s">#%s</a>', \get_tag_link( $tag ), $tag->slug );
-		}
-
-		return \implode( ' ', $hash_tags );
-	}
 }
diff --git a/readme.txt b/readme.txt
index cb22943b..4e729ef2 100644
--- a/readme.txt
+++ b/readme.txt
@@ -4,7 +4,7 @@ Donate link: https://notiz.blog/donate/
 Tags: OStatus, fediverse, activitypub, activitystream
 Requires at least: 4.7
 Tested up to: 6.1
-Stable tag: 0.16.0
+Stable tag: 0.16.1
 Requires PHP: 5.6
 License: MIT
 License URI: http://opensource.org/licenses/MIT
@@ -88,6 +88,10 @@ Where 'blog' is the path to the subdirectory at which your blog resides.
 
 Project maintained on GitHub at [pfefferle/wordpress-activitypub](https://github.com/pfefferle/wordpress-activitypub).
 
+= 0.16.1 =
+
+* Fix "update and create, posts appear blank on Mastodon" issue
+
 = 0.16.0 =
 
 * Add "Outgoing Mentions" ([#213](https://github.com/pfefferle/wordpress-activitypub/pull/213)) props [@akirk](https://github.com/akirk)
diff --git a/tests/test-class-activitypub-activity-dispatcher.php b/tests/test-class-activitypub-activity-dispatcher.php
index 6693ba1a..dea7e38c 100644
--- a/tests/test-class-activitypub-activity-dispatcher.php
+++ b/tests/test-class-activitypub-activity-dispatcher.php
@@ -30,6 +30,8 @@ public function test_dispatch_activity() {
 		$activitypub_post = new \Activitypub\Model\Post( $post );
 		\Activitypub\Activity_Dispatcher::send_post_activity( $activitypub_post );
 
+		$this->assertNotEmpty( $activitypub_post->get_content() );
+
 		$this->assertSame( 2, $pre_http_request->get_call_count() );
 		$all_args = $pre_http_request->get_args();
 		$first_call_args = array_shift( $all_args );
@@ -69,6 +71,8 @@ function( $mentions ) {
 		$activitypub_post = new \Activitypub\Model\Post( $post );
 		\Activitypub\Activity_Dispatcher::send_post_activity( $activitypub_post );
 
+		$this->assertNotEmpty( $activitypub_post->get_content() );
+
 		$this->assertSame( 1, $pre_http_request->get_call_count() );
 		$all_args = $pre_http_request->get_args();
 		$first_call_args = $all_args[0];