diff --git a/retriever/retriever.php b/retriever/retriever.php
index 977ed49a..640bc5cc 100644
--- a/retriever/retriever.php
+++ b/retriever/retriever.php
@@ -27,6 +27,8 @@ use Friendica\DI;
  * @brief Installation hook for retriever plugin
  */
 function retriever_install() {
+	Logger::debug('Install retriever');
+
 	Hook::register('addon_settings', 'addon/retriever/retriever.php', 'retriever_addon_settings');
 	Hook::register('addon_settings_post', 'addon/retriever/retriever.php', 'retriever_addon_settings_post');
 	Hook::register('post_remote', 'addon/retriever/retriever.php', 'retriever_post_remote_hook');
@@ -63,6 +65,8 @@ function retriever_install() {
  * @brief Uninstallation hook for retriever plugin
  */
 function retriever_uninstall() {
+	Logger::debug('Uninstall retriever');
+
 	Hook::unregister('addon_settings', 'addon/retriever/retriever.php', 'retriever_addon_settings');
 	Hook::unregister('addon_settings_post', 'addon/retriever/retriever.php', 'retriever_addon_settings_post');
 	Hook::unregister('post_remote', 'addon/retriever/retriever.php', 'retriever_post_remote_hook');