diff --git a/Setup/5_DomainLogin.sh b/Setup/5_DomainLogin.sh
index 1f85e8f..ced702a 100755
--- a/Setup/5_DomainLogin.sh
+++ b/Setup/5_DomainLogin.sh
@@ -14,9 +14,11 @@ mkdir -p "$SDDM_CONF_DIR"
 # Bestehende Konfiguration sichern und anpassen
 if [[ -f "$SDDM_CUSTOM_CONF" ]]; then
     sed -i '/MaximumUid/d' "$SDDM_CUSTOM_CONF"
+    echo "MaximumUid=999999999" >> "$SDDM_CUSTOM_CONF"
 else
     cat <<EOF > "$SDDM_CUSTOM_CONF"
 [Users]
+MaximumUid=999999999
 HideShells=/sbin/nologin,/bin/false
 EOF
 fi