diff --git a/iso/installer/install.sh b/iso/installer/install.sh
index d8516864..1032af84 100755
--- a/iso/installer/install.sh
+++ b/iso/installer/install.sh
@@ -50,7 +50,7 @@ function fuCHECKPACKAGES {
       echo "[ OK ]"
   fi
 }
-fuCHECKPACKAGES "curl dialog lsb-release"
+fuCHECKPACKAGES "curl dialog libpq-dev lsb-release software-properties-common"
 
 ##################################
 # Check if internet is available #
@@ -196,8 +196,6 @@ fi
 function fuGET_DEPS {
 local myPACKAGES="apache2-utils apparmor apt-transport-https aufs-tools bash-completion build-essential ca-certificates cgroupfs-mount cockpit cockpit-docker console-setup console-setup-linux curl debconf-utils dialog dnsutils docker.io docker-compose dstat ethtool fail2ban figlet genisoimage git glances grc haveged html2text htop iptables iw jq kbd libcrack2 libltdl7 lm-sensors man mosh multitail net-tools npm ntp openssh-server openssl pass prips software-properties-common syslinux psmisc pv python-pip toilet unattended-upgrades unzip vim wget wireless-tools wpasupplicant"
 export DEBIAN_FRONTEND=noninteractive
-apt-get -y update
-apt-get -y install libpq-dev software-properties-common
 tee /etc/apt/sources.list <<EOF
 deb http://deb.debian.org/debian unstable main contrib non-free
 deb-src http://deb.debian.org/debian unstable main contrib non-free
diff --git a/iso/preseed/tpot.seed b/iso/preseed/tpot.seed
index 3d6e5b64..f5d26e18 100755
--- a/iso/preseed/tpot.seed
+++ b/iso/preseed/tpot.seed
@@ -109,7 +109,7 @@ tasksel tasksel/first multiselect ssh-server
 ########################
 ### Package Installation
 ########################
-d-i pkgsel/include string curl dialog git lsb-release
+d-i pkgsel/include string curl dialog libpq-dev lsb-release software-properties-common
 popularity-contest popularity-contest/participate boolean false
 
 #################