diff --git a/zsh/bin/update b/zsh/bin/update
index 4d8920b..275fa6d 100755
--- a/zsh/bin/update
+++ b/zsh/bin/update
@@ -68,11 +68,9 @@ _check_date() {
 update-system() {
 
     # Ask for sudo right now
-    sudoresult=$(sudo -nv 2>&1)
+    sudoresult=$(sudo -n -l true 2>&1)
 
     if [ $? -eq 0 ]; then
-        # Nothing to do
-    elif echo $sudoresult | grep -q '^sudo:'; then
         echo "\033[32;1m=== Starting system update, please enter your password ===\033[0m"
         sudo true
         if [ $? -ne 0 ]; then