diff --git a/scripts/change_url b/scripts/change_url
index af6bc80..d6a18d1 100644
--- a/scripts/change_url
+++ b/scripts/change_url
@@ -54,7 +54,7 @@ then
 	path_url="$new_path"
 
 	# Update custom error file path if needed
-	if [ $custom_error_file -eq 1 ]
+	if [ $custom_error_file ]
 	ynh_print_info --message="Change the custom error config file"
 	then
 		ynh_add_config --template="nginx-code-error.conf" --destination="$nginx_extra_conf_dir/error-code.conf"