diff --git a/scripts/install b/scripts/install
index 1434394..bc6afea 100644
--- a/scripts/install
+++ b/scripts/install
@@ -286,12 +286,15 @@ fi
 ### `ynh_replace_string` is used to replace a string in a file.
 ### (It's compatible with sed regular expressions syntax)
 
-if [ -f /var/www/zabbix/conf/zabbix.conf.php ];then
+if [ -f '/var/www/zabbix/conf/zabbix.conf.php' ];then
     unlink /var/www/zabbix/conf/zabbix.conf.php
+    echo "supp /var/www/zabbix/conf/zabbix.conf.php"
 fi
 
-if [ -f /etc/zabbix/web/zabbix.conf.php ];then
+if [ -f '/etc/zabbix/web/zabbix.conf.php' ];then
     rm -f /etc/zabbix/web/zabbix.conf.php
+    echo "supp /etc/zabbix/web/zabbix.conf.php"
+
 fi
 
 echo "<?php