diff --git a/inventory/group_vars/mirrorlist b/inventory/group_vars/mirrorlist
index dfe8a69aac..f31ef1c1b9 100644
--- a/inventory/group_vars/mirrorlist
+++ b/inventory/group_vars/mirrorlist
@@ -1,7 +1,7 @@
 ---
 # common items for the releng-* boxes
 lvm_size: 20000
-mem_size: 4096
+mem_size: 2048
 num_cpus: 4
 # for systems that do not match the above - specify the same parameter in
 # the host_vars/$hostname file