diff --git a/ros-progs-gui.sh b/ros-progs-gui.sh
index 509ac0f..de236e5 100755
--- a/ros-progs-gui.sh
+++ b/ros-progs-gui.sh
@@ -92,6 +92,7 @@ user_choice=$(zenity --list --checklist --width='1000' --height='1000' \
   FALSE "Spotube - Ingyenes Premium Spotify Zenelejátszó Linuxra" \
   FALSE "Steam Launcher" \
   FALSE "Systemd boot mod - 1sec varakozas bootolaskor" \
+  FALSE "Systemd boot mod - 3sec varakozas bootolaskor" \
   FALSE "TeamSpeak3 - TeamSpeak VOIP kliens" \
   FALSE "Telegram - Titkosított üzenetküldő" \
   FALSE "TOR Böngésző" \
@@ -181,6 +182,18 @@ if [[ $user_choice = *"Systemd boot mod - 1sec varakozas bootolaskor"* ]]; then
   echo
 fi
 
+if [[ $user_choice = *"Systemd boot mod - 3sec varakozas bootolaskor"* ]]; then
+  echo
+  echo ---------------------------------------------
+  echo Installing ${bold}${yellow}Systemd boot mod${normal}
+
+    sudo sed -i 's/timeout 0/timeout 3/' /boot/loader/loader.conf
+
+  echo ${bold}${yellow}Systemd boot mod ${normal}installed.
+  echo ---------------------------------------------
+  echo
+fi
+
 if [[ $user_choice = *"Handbrake - Video konvertalo progi"* ]]; then
   echo
   echo ---------------------------------------------