diff --git a/deploy_vm.sh b/deploy_vm.sh
index 302f802..1d9d641 100755
--- a/deploy_vm.sh
+++ b/deploy_vm.sh
@@ -352,7 +352,7 @@ VM_FE80=$(ipv6calc --action prefixmac2ipv6 --in prefix+mac --out ipv6addr fe80::
 SSH_HOST="root@${VM_FE80}%${VM_BRIDGE_DEV}"
 
 echo "INFO : wait 1 minute to be sure that ssh service is started"
-sleep 60
+sleep 180
 
 # Create network configuration file for new VM
 echo "INFO : Create network configuration file for new VM..."