diff --git a/scripts/upgrade b/scripts/upgrade
index ef4e17d..1a9fd9b 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -41,7 +41,8 @@ ynh_systemd_action --service_name=$app --action="stop" --log_path="/var/log/$app
 # DOWNLOAD, CHECK AND UNPACK SOURCE
 #=================================================
 
-if [ $(ynh_compare_current_package_version --comparison le --version "2.6.2~ynh4") ]; then
+if $(ynh_compare_current_package_version --comparison le --version "2.6.2~ynh4")
+then
 	ynh_script_progression --message="Removing old files..." --weight=2
 	rm -rf "$install_dir/{*,.*}"
 fi