diff --git a/scripts/change_url b/scripts/change_url
index 8b82734..f8e1b03 100644
--- a/scripts/change_url
+++ b/scripts/change_url
@@ -68,14 +68,14 @@ then
   # Calculate and store the nginx config file checksum
   ynh_store_file_checksum "$nginx_conf_path"
   # ynh_replace_string
-  if  old_url != "/"
+  if  $old_url != "/"
   then
       ynh_replace_string --match_string="const WWW_URI = '$old_path/';" --replace_string="const WWW_URI = '$new_path/';" --target_file="$final_path/config.local.php"
   else
       ynh_replace_string --match_string="const WWW_URI = '$old_path';" --replace_string="const WWW_URI = '$new_path/';" --target_file="$final_path/config.local.php"
   fi
 
-  if  new_url != "/"
+  if  $new_url != "/"
   then
       ynh_replace_string --match_string="const WWW_URI = '$old_path/';" --replace_string="const WWW_URI = '$new_path/';" --target_file="$final_path/config.local.php"
   else
diff --git a/scripts/install b/scripts/install
index ccf548f..ec0bd7f 100644
--- a/scripts/install
+++ b/scripts/install
@@ -89,7 +89,7 @@ cp -a $final_path/config.dist.php $final_path/config.local.php
 # ynh_replace_string --match_string="const ROOT = __DIR__;" --replace_string="const ROOT = /var/www/garradin/;" --target_file="$final_path/config.local.php"
 ynh_replace_string --match_string="const PREFER_HTTPS = false;" --replace_string="const PREFER_HTTPS = true;" --target_file="$final_path/config.local.php"
 
-if path_url != "/"
+if $path_url != "/"
 then
    ynh_replace_string --match_string="//const WWW_URI = '/asso/';" --replace_string="const WWW_URI = '$path_url/';" --target_file="$final_path/config.local.php"
 else