diff --git a/ct/proxmox-mail-gateway.sh b/ct/proxmox-mail-gateway.sh
index c8bd56772..dcee1949a 100644
--- a/ct/proxmox-mail-gateway.sh
+++ b/ct/proxmox-mail-gateway.sh
@@ -27,10 +27,11 @@ function update_script() {
     msg_error "No ${APP} Installation Found!"
     exit
   fi
-  msg_info "Updating ${APP}"
+
+  msg_info "Updating Proxmox-Mail-Gateway"
   $STD apt update
-  $STD apt -y upgrade
-  msg_ok "Updated ${APP}"
+  $STD apt upgrade -y
+  msg_ok "Updated Proxmox-Mail-Gateway"
   msg_ok "Updated successfully!"
   exit
 }
diff --git a/install/proxmox-mail-gateway-install.sh b/install/proxmox-mail-gateway-install.sh
index 7ec302d7e..8a02a409f 100644
--- a/install/proxmox-mail-gateway-install.sh
+++ b/install/proxmox-mail-gateway-install.sh
@@ -14,16 +14,13 @@ network_check
 update_os
 
 msg_info "Installing Proxmox Mail Gateway"
-curl -fsSL "https://enterprise.proxmox.com/debian/proxmox-release-trixie.gpg" -o "/usr/share/keyrings/proxmox-release-trixie.gpg"
-cat <<EOF >/etc/apt/sources.list.d/pmg.sources
-Types: deb
-URIs: http://download.proxmox.com/debian/pmg
-Suites: trixie
-Components: pmg-no-subscription
-Signed-By: /usr/share/keyrings/proxmox-release-trixie.gpg
-EOF
-$STD apt update
-$STD apt -y install proxmox-mailgateway-container
+setup_deb822_repo \
+  "pmg" \
+  "https://enterprise.proxmox.com/debian/proxmox-release-trixie.gpg" \
+  "http://download.proxmox.com/debian/pmg" \
+  "trixie" \
+  "pmg-no-subscription"
+$STD apt install -y proxmox-mailgateway-container
 msg_ok "Installed Proxmox Mail Gateway"
 
 motd_ssh