diff --git a/foreman/altinea_puppet_install.sh b/foreman/altinea_puppet_install.sh
index cd113ba..35d7357 100644
--- a/foreman/altinea_puppet_install.sh
+++ b/foreman/altinea_puppet_install.sh
@@ -1,6 +1,14 @@
 #!/bin/sh
 
-apt install -y lsb-release curl && curl -sL -o /var/cache/apt/archives/puppet7-release-`lsb_release -c -s`.deb https://apt.puppet.com/puppet7-release-`lsb_release -c -s`.deb && dpkg -i /var/cache/apt/archives/puppet7-release-`lsb_release -c -s`.deb && apt update && apt install -y puppet-agent && apt clean
+apt -qqq install lsb-release curl
+if [ `lsb_release -sc` = 'bullseye' ]; then
+  echo "Bullseye detected, installing repository directly"
+  echo "# Puppet 7 buster Repository
+deb http://apt.puppetlabs.com bullseye puppet7" > /etc/apt/sources.list.d/puppet7.list
+else
+  curl -sL -o /var/cache/apt/archives/puppet7-release-`lsb_release -c -s`.deb https://apt.puppet.com/puppet7-release-`lsb_release -c -s`.deb && dpkg -i /var/cache/apt/archives/puppet7-release-`lsb_release -c -s`.deb
+fi
+apt -qq update && apt -qqq install puppet-agent && apt clean
 echo "[agent]
   server = foreman.altinea.fr
   runinterval = 600