diff --git a/wireguard-install.sh b/wireguard-install.sh
index 2f95ecb..0269036 100644
--- a/wireguard-install.sh
+++ b/wireguard-install.sh
@@ -391,7 +391,7 @@ function listClients() {
 		exit 1
 	fi
 
-	grep -E "^### Client" "/etc/wireguard/${SERVER_WG_NIC}.conf" | cut -d ' ' -f 3 | nl -s ') '
+	grep -E "^### Client" "/etc/wireguard/${SERVER_WG_NIC}.conf" | cut -d ' ' -f 3 | nl -w4 -s ') '
 }
 
 function revokeClient() {
@@ -404,7 +404,7 @@ function revokeClient() {
 
 	echo ""
 	echo "Select the existing client you want to revoke"
-	grep -E "^### Client" "/etc/wireguard/${SERVER_WG_NIC}.conf" | cut -d ' ' -f 3 | nl -s ') '
+	grep -E "^### Client" "/etc/wireguard/${SERVER_WG_NIC}.conf" | cut -d ' ' -f 3 | nl -w4 -s ') '
 	until [[ ${CLIENT_NUMBER} -ge 1 && ${CLIENT_NUMBER} -le ${NUMBER_OF_CLIENTS} ]]; do
 		if [[ ${CLIENT_NUMBER} == '1' ]]; then
 			read -rp "Select one client [1]: " CLIENT_NUMBER