diff --git a/database.sql b/database.sql
index 9ffa3544a..e06454b11 100644
--- a/database.sql
+++ b/database.sql
@@ -1,6 +1,6 @@
 -- ------------------------------------------
 -- Friendica 2023.03-dev (Giant Rhubarb)
--- DB_UPDATE_VERSION 1509
+-- DB_UPDATE_VERSION 1510
 -- ------------------------------------------
 
 
diff --git a/static/dbstructure.config.php b/static/dbstructure.config.php
index 848da0404..d25d9cc3f 100644
--- a/static/dbstructure.config.php
+++ b/static/dbstructure.config.php
@@ -55,7 +55,7 @@
 use Friendica\Database\DBA;
 
 if (!defined('DB_UPDATE_VERSION')) {
-	define('DB_UPDATE_VERSION', 1509);
+	define('DB_UPDATE_VERSION', 1510);
 }
 
 return [
diff --git a/update.php b/update.php
index 0491e4a92..951f54a3b 100644
--- a/update.php
+++ b/update.php
@@ -1213,3 +1213,18 @@ function update_1509()
 
 	return Update::SUCCESS;
 }
+
+function update_1510()
+{
+	$blocks = DBA::select('pconfig', ['uid', 'v'], ['cat' => 'blockem', 'k' => 'words']);
+	while ($block = DBA::fetch($blocks)) {
+		foreach (explode(',', $block['v']) as $account) {
+			$id = Contact::getIdForURL(trim($account), 0, false);
+			if (empty($id)) {
+				continue;
+			}
+			Contact\User::setCollapsed($id, $block['uid'], true);
+		}
+	}
+	return Update::SUCCESS;
+}