1 files changed, 1 insertions, 1 deletions
diff --git a/light2.sh b/light2.sh
index 157cb02..a0483e6 100755
--- a/light2.sh
+++ b/light2.sh
@@ -19,7 +19,7 @@ if [ -n "$listBacklight" ] ; then
           printf "${backlight}: "
           cat /sys/class/backlight/${backlight}/brightness
         else
-          echo "${val}" | tee "/sys/class/backlight/${backlight}/brightness" 2>/dev/null /dev/null
+          echo "${val}" | sudo tee "/sys/class/backlight/${backlight}/brightness" 2>/dev/null /dev/null
           if [ $? -ne 0 ]; then
             printf "%s\n" "Erreur can't write to /sys/class/backlight/${backlight}/brightness" >&2
           fi