diff --git a/server-install-base.sh b/server-install-base.sh
index bb4abe6..0afe7fd 100755
--- a/server-install-base.sh
+++ b/server-install-base.sh
@@ -17,6 +17,7 @@ fi
 
 ssh -T $src_ssh << EOSSH
 
+apt update || exit 5
 apt upgrade -y || exit 10
 apt install -y tmux ufw curl || exit 15