diff --git a/htdocs/install/mysql/migration/21.0.0-22.0.0.sql b/htdocs/install/mysql/migration/21.0.0-22.0.0.sql
index ab5c0f81644..6ad5d277a2e 100644
--- a/htdocs/install/mysql/migration/21.0.0-22.0.0.sql
+++ b/htdocs/install/mysql/migration/21.0.0-22.0.0.sql
@@ -329,3 +329,5 @@ ALTER TABLE llx_blockedlog ADD COLUMN debuginfo mediumtext;
 ALTER TABLE llx_webhook_history ADD COLUMN trigger_code text NOT NULL;
 ALTER TABLE llx_webhook_history ADD COLUMN error_message text;
 ALTER TABLE llx_webhook_history MODIFY COLUMN url varchar(255);
+
+UPDATE llx_c_socialnetworks SET icon = 'fa-mastodon' WHERE icon = '' AND code = 'mastodon';