diff --git a/easy-arch.sh b/easy-arch.sh
index 70288c3..64c320a 100755
--- a/easy-arch.sh
+++ b/easy-arch.sh
@@ -373,7 +373,7 @@ echo "root:$rootpass" | arch-chroot /mnt chpasswd
 if [ -n "$username" ]; then
     print "Adding the user $username to the system with root privilege."
     arch-chroot /mnt useradd -m -G wheel -s /bin/bash "$username"
-    sed -i '%wheel ALL=(ALL) ALL/s/^# //' /mnt/etc/sudoers
+    sed -i '/%wheel ALL=(ALL) ALL/s/^# //' /mnt/etc/sudoers
     print "Setting user password for $username." 
     echo "$username:$userpass" | arch-chroot /mnt chpasswd
 fi