diff --git a/.gitignore b/.gitignore
index 27dd786..5e766c2 100644
--- a/.gitignore
+++ b/.gitignore
@@ -3,3 +3,5 @@
 
 base/images/*
 !base/images/.gitkeep
+.idea/
+*.iml
diff --git a/.gitmodules b/.gitmodules
index c442ad2..5edea30 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,3 +1,3 @@
 [submodule "docker-kvm-qemu-libvirt"]
 	path = docker-kvm-qemu-libvirt
-	url = gitolite@antoine-roux.ml:projects/container/docker-kvm-qemu-libvirt.git
+	url = gitolite@antoine-roux.ml:container/docker-kvm-qemu-libvirt.git
diff --git a/docker-kvm-qemu-libvirt b/docker-kvm-qemu-libvirt
index ebd073a..63afcaa 160000
--- a/docker-kvm-qemu-libvirt
+++ b/docker-kvm-qemu-libvirt
@@ -1 +1 @@
-Subproject commit ebd073a56c23ea79efd65426563182c92855725f
+Subproject commit 63afcaabb8ec7e10fe641f59d4b324ccf35bc7a1
diff --git a/stack/libvirtd.tf b/stack/libvirtd.tf
index 6bcb320..e42f25b 100644
--- a/stack/libvirtd.tf
+++ b/stack/libvirtd.tf
@@ -34,6 +34,7 @@ provider "libvirt" {
 }
 
 resource "null_resource" "delay_controllers_10s" {
+  count = var.number_controller > 0 ? 1 : 0
   provisioner "local-exec" {
     command = "sleep 60"
   }
@@ -43,6 +44,7 @@ resource "null_resource" "delay_controllers_10s" {
   }
 }
 resource "null_resource" "delay_workers_10s" {
+  count = var.number_worker > 0 ? 1 : 0
   provisioner "local-exec" {
     command = "sleep 60"
   }