diff --git a/scripts/upgrade b/scripts/upgrade
index 912d039..5c93105 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -35,7 +35,7 @@ if [ -z $final_path ]; then
 	ynh_app_setting_set $app final_path $final_path
 fi
 
-if [ -z "/home/ynh$app"]; then
+if [ -z "/home/ynh$app" ]; then
 	mv "/home/ynh$app/data" "$final_path/data"
 	ynh_secure_remove "/home/ynh$app"
 fi