diff --git a/splitUPDATE b/splitUPDATE
index 6dc76e9..b0177ed 100644
--- a/splitUPDATE
+++ b/splitUPDATE
@@ -10,7 +10,7 @@
 # monitor-activity : permet de mettre en avant une fenêtre quand son contenu reçoit un événement
 # 'exec ${SHELL}' : Allow to keep the pane running after the program exists
 
-# Manage new window for APT update
+# Manage new window for system upgrade
 
 # If a session already exists {{{
 if-shell -b 'tmux has-session' {
@@ -18,6 +18,7 @@ if-shell -b 'tmux has-session' {
 	# Window for system update
 	# Run upgrade only if packages to upgrade
 	display-message "Create a new window for system update"
-	new-window -nAPT 'sudo apt update ; test $(apt list --upgradable 2>/dev/null | wc --lines) -gt 1 && { sudo aptitude full-upgrade ; sudo aptitude clean } ; logout'
+	if 'command -v apt' 'new-window -nAPT "sudo apt update ; test $(apt list --upgradable 2>/dev/null | wc --lines) -gt 1 && { sudo aptitude full-upgrade ; sudo aptitude clean } ; logout"'
+	if 'command -v pacman' 'new-window -nPACMAN "sudo pacman --sync --refresh --; test $(pacman --query --upgrades -- 2>/dev/null | wc --lines) -gt 1 && { sudo pacman --sync --sysupgrade -- } ; logout"'
 }
 # }}}