diff --git a/install/mattermost-install.sh b/install/mattermost-install.sh
index 2da3b169..7509be2d 100644
--- a/install/mattermost-install.sh
+++ b/install/mattermost-install.sh
@@ -41,8 +41,8 @@ msg_ok "Set up PostgreSQL"
 
 msg_info "Installing Mattermost"
 IPADDRESS=$(hostname -I | awk '{print $1}')
-$STD -sL -o- /usr/share/keyrings/mattermost-archive-keyring.gpg https://deb.packages.mattermost.com/pubkey.gpg
-$STD -c 'curl -o- https://deb.packages.mattermost.com/repo-setup.sh | sudo bash -s mattermost'
+curl -sL -o /usr/share/keyrings/mattermost-archive-keyring.gpg https://deb.packages.mattermost.com/pubkey.gpg
+sh -c 'curl -sL https://deb.packages.mattermost.com/repo-setup.sh | sudo bash -s mattermost' >/dev/null
 $STD apt-get update
 $STD apt-get install -y mattermost
 $STD install -C -m 600 -o mattermost -g mattermost /opt/mattermost/config/config.defaults.json /opt/mattermost/config/config.json