diff --git a/predefine-vm/define-vm.sh b/predefine-vm/define-vm.sh
index aed616a..5f68169 100755
--- a/predefine-vm/define-vm.sh
+++ b/predefine-vm/define-vm.sh
@@ -2,7 +2,7 @@
 
 VM_MGM_BRIDGE_NAME=${VM_MGM_BRIDGE_NAME:-"br-mgm"}
 VM_CTL_BRIDGE_NAME=${VM_CTL_BRIDGE_NAME:-"br-ctl"}
-VM_MEM_KB=${VM_MEM_KB:-"8388608"}
+VM_MEM_KB=${VM_MEM_KB:-"12589056"}
 VM_CPUS=${VM_CPUS:-"4"}
 
 if [[ -z ${VM_NAME} ]]; then