diff --git a/buster b/buster
index a72c49f..8e7fa44 100755
--- a/buster
+++ b/buster
@@ -303,7 +303,7 @@ function upgrade_system() {
 
 function install_script_dependencies() {
     # dependencies of the install script itself
-    local DEPENDENCIES="lsb-release wget whiptail gnupg apt-transport-https"
+    local DEPENDENCIES="lsb-release wget whiptail gnupg apt-transport-https adduser"
 
     if [[ "$AUTOMODE" == "0" ]] ;
     then