diff --git a/playbooks/matrix.archlinux.org.yml b/playbooks/matrix.archlinux.org.yml
index 96ba38626ed1bd9113d52ed1edd4520bca49c628..34ed0114ce5d3baf112ebce20d3f3d5a37bbc139 100644
--- a/playbooks/matrix.archlinux.org.yml
+++ b/playbooks/matrix.archlinux.org.yml
@@ -16,7 +16,7 @@
     - role: postgres
       postgres_shared_buffers: 1GB
       postgres_work_mem: 32MB
-      postgres_maintenance_work_mem: 256MB
+      postgres_maintenance_work_mem: 32MB
       postgres_effective_cache_size: 2GB
     - role: postfix
       postfix_relayhost: "mail.archlinux.org"