diff --git a/docker-compose.yml b/docker-compose.yml
index eda7ccd4..2161e4e3 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -21,6 +21,7 @@ services:
 
     mysql-mailcow:
       image: mariadb:10.1
+      command: mysqld --max_allowed_packet=128M
       healthcheck:
         test: ["CMD", "mysqladmin", "ping", "--host", "localhost", "--silent"]
         interval: 10s