diff --git a/data/helpers.d/php b/data/helpers.d/php
index b0e9fa59d..d6ccc52cd 100644
--- a/data/helpers.d/php
+++ b/data/helpers.d/php
@@ -90,9 +90,11 @@ ynh_add_fpm_config() {
         local old_php_fpm_config_dir=$(ynh_app_setting_get --app=$app --key=fpm_config_dir)
         local old_php_finalphpconf="$old_php_fpm_config_dir/pool.d/$app.conf"
 
-        ynh_backup_if_checksum_is_different --file="$old_php_finalphpconf"
-
-        ynh_remove_fpm_config
+        if [[ -f "$old_php_finalphpconf" ]]
+        then
+            ynh_backup_if_checksum_is_different --file="$old_php_finalphpconf"
+            ynh_remove_fpm_config
+        fi
     fi
 
     # Legacy args (packager should just list their php dependency as regular apt dependencies...