diff --git a/src/addons.js b/src/addons.js
index 09049c85b..64c980f00 100644
--- a/src/addons.js
+++ b/src/addons.js
@@ -183,7 +183,7 @@ const SERVICES = {
     mongodb: {
         status: containerStatus.bind(null, 'mongodb', 'CLOUDRON_MONGODB_TOKEN'),
         restart: restartContainer.bind(null, 'mongodb'),
-        defaultMemoryLimit: (1 + Math.round(os.totalmem()/(1024*1024*1024)/4)) * 200 * 1024 * 1024
+        defaultMemoryLimit: (1 + Math.round(os.totalmem()/(1024*1024*1024)/4)) * 256 * 1024 * 1024
     },
     mysql: {
         status: containerStatus.bind(null, 'mysql', 'CLOUDRON_MYSQL_TOKEN'),