diff --git a/setup/install_packages b/setup/install_packages
index 55f5deb..fd207ba 100755
--- a/setup/install_packages
+++ b/setup/install_packages
@@ -1,6 +1,6 @@
 #!/bin/sh
 
-set -Eeuo pipefail
+set -uo pipefail
 
 if (( $EUID != 0 )); then
     echo "Should be run as root"
@@ -15,6 +15,15 @@ if [[ $setuppacman =~ [yY] ]]; then
   source "./setup_pacman"
 fi
 
+echo ":: Checking if dialog is installed"
+pacman -Q dialog &> /dev/null
+if [ $? = 1 ]; then
+  echo ":: Installing dialog"
+  pacman -Syu dialog
+else
+  echo ":: Success: dialog is installed"
+fi
+
 DEFAULT_STATE="on"
 
 files=""
diff --git a/setup/packages/core b/setup/packages/core
index 96f097a..fd24036 100644
--- a/setup/packages/core
+++ b/setup/packages/core
@@ -1 +1 @@
-base base-devel linux linux-firmware
+base base-devel linux linux-firmware dialog