diff --git a/lib/Notifications/ExAppAdminNotifier.php b/lib/Notifications/ExAppAdminNotifier.php
index 9bd60499..8b688f6e 100644
--- a/lib/Notifications/ExAppAdminNotifier.php
+++ b/lib/Notifications/ExAppAdminNotifier.php
@@ -44,7 +44,7 @@ public function prepare(INotification $notification, string $languageCode): INot
 		$parameters = $notification->getSubjectParameters();
 
 		$notification->setLink($this->url->getAbsoluteURL('/index.php/settings/admin/' . Application::APP_ID));
-		$notification->setIcon($this->url->imagePath(Application::APP_ID, 'app-dark.svg'));
+		$notification->setIcon($this->url->getAbsoluteURL($this->url->imagePath(Application::APP_ID, 'app-dark.svg')));
 
 		if (isset($parameters['rich_subject']) && isset($parameters['rich_subject_params'])) {
 			$notification->setRichSubject($parameters['rich_subject'], $parameters['rich_subject_params']);
diff --git a/lib/Notifications/ExAppNotifier.php b/lib/Notifications/ExAppNotifier.php
index 11e0266f..e8cbd81b 100644
--- a/lib/Notifications/ExAppNotifier.php
+++ b/lib/Notifications/ExAppNotifier.php
@@ -47,7 +47,7 @@ public function prepare(INotification $notification, string $languageCode): INot
 		if (isset($parameters['link']) && $parameters['link'] !== '') {
 			$notification->setLink($parameters['link']);
 		}
-		$notification->setIcon($this->url->imagePath(Application::APP_ID, 'app-dark.svg'));
+		$notification->setIcon($this->url->getAbsoluteURL($this->url->imagePath(Application::APP_ID, 'app-dark.svg')));
 
 		if (isset($parameters['rich_subject']) && isset($parameters['rich_subject_params'])) {
 			$notification->setRichSubject($l->t($parameters['rich_subject']), $parameters['rich_subject_params']);