diff --git a/tforgione.sh b/tforgione.sh
index 5f826a9..aa9439a 100755
--- a/tforgione.sh
+++ b/tforgione.sh
@@ -170,15 +170,8 @@ main() {
     configure_zsh
 }
 
-sudoresult=$(sudo -nv 2>&1)
-
-if [ $? -eq 0 ]; then
-    sudo_available=1
-elif echo $sudoresult | grep -q '^sudo:'; then
-    sudo_available=0
-else
-    sudo_available=1
-fi
+sudo -n -l true 2>&1
+sudo_available=$?
 
 main < /dev/tty