diff --git a/global/overlay/etc/puppet/cosmos-rules.yaml b/global/overlay/etc/puppet/cosmos-rules.yaml
index 3ca08a34..6247f326 100644
--- a/global/overlay/etc/puppet/cosmos-rules.yaml
+++ b/global/overlay/etc/puppet/cosmos-rules.yaml
@@ -401,7 +401,8 @@ kvmdemw-fre-3a.komreg.net:
             bridge: 'br-demw'
             description: 'eid deutsche middleware'
             cpus: '16'
-            memory: '102400'
+            memory: '32768'
+            size: '100G'
             image_url: 'https://cloud-images.ubuntu.com/bionic/current/bionic-server-cloudimg-amd64.img'
 
 kvmdemw-fre-3b.komreg.net: