diff --git a/install.sh b/install.sh
index bae47b0..48b22b3 100644
--- a/install.sh
+++ b/install.sh
@@ -131,7 +131,7 @@ cp $builddir/shutter/* /home/$username/.shutter/profiles/
 chown -R $username:$username /home/$username/.shutter/
 nohup shutter &>/dev/null &
 wmctrl -c " Shutter"
-pkill shutter
+killall shutter
 nohup shutter -p=wibian --min_at_startup &>/dev/null &
 
 # Désinstallation des paquets non désirés