diff --git a/foreman/altinea_puppet_install.sh b/foreman/altinea_puppet_install.sh
index a72f4c6..65d9476 100644
--- a/foreman/altinea_puppet_install.sh
+++ b/foreman/altinea_puppet_install.sh
@@ -8,7 +8,7 @@ if [ `lsb_release -sc` = 'bullseye' ]; then
   URIs: http://apt.puppetlabs.com
   Suites: bullseye
   Components: puppet7
-  Signed-By: /usr/share/keyrings/puppet-keyring.gpg" > /etc/apt/sources.list.d/puppet7.list
+  Signed-By: /usr/share/keyrings/puppet-keyring.gpg" > /etc/apt/sources.list.d/puppet7.sources
   curl -o /usr/share/keyrings/puppet-keyring.gpg  https://apt.puppet.com/keyring.gpg
 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