diff --git a/proxmox/proxmox.template.debian.sh b/proxmox/proxmox.template.debian.sh
index f621d37..f7c16e0 100755
--- a/proxmox/proxmox.template.debian.sh
+++ b/proxmox/proxmox.template.debian.sh
@@ -42,16 +42,19 @@ tar xzf /tmp/latecommand.tar.gz -C /tmp/
 
 # APT {{{
 
-# ensure to install aptitude
+## Update repositories
+apt update
+
+## ensure to install aptitude
 apt install -y aptitude
 
-# ensure to remove useless x11 packages
+## ensure to remove useless x11 packages
 aptitude remove -y x11-common libgl1-mesa-glx xauth libx11-6 libxcomposite1 libxdamage1 libxext6 libxfixes3 libxft2 libxi6 libxinerama1 libxkbfile1 libxmuu1 libxpm4 libxrandr2 libxrender1 libxv1 libxxf86dga1 libxxf86vm1 libx11-data
 
-# clean useless rc files
+## clean useless rc files
 aptitude -y purge '~c'
 
-# clean downloaded and list of packages
+## clean downloaded and list of packages
 aptitude clean
 rm -f /var/cache/apt/*.bin