diff --git a/splitUPDATE b/splitUPDATE
index 969b751..6dc76e9 100644
--- a/splitUPDATE
+++ b/splitUPDATE
@@ -16,7 +16,8 @@
 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 ; sudo aptitude full-upgrade ; sudo aptitude clean ; exec ${SHELL}'
+	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'
 }
 # }}}