diff --git a/lib/Controller/AttachmentsController.php b/lib/Controller/AttachmentsController.php
index ffb8160a..324a09cf 100644
--- a/lib/Controller/AttachmentsController.php
+++ b/lib/Controller/AttachmentsController.php
@@ -2,6 +2,8 @@
 
 namespace OCA\OpenCatalogi\Controller;
 
+ini_set('memory_limit', '2048M');
+
 use Exception;
 use GuzzleHttp\Exception\GuzzleException;
 use OCA\OpenCatalogi\Db\AttachmentMapper;
diff --git a/lib/Service/FileService.php b/lib/Service/FileService.php
index 70ec13e2..a35bcd11 100644
--- a/lib/Service/FileService.php
+++ b/lib/Service/FileService.php
@@ -1,6 +1,7 @@
 <?php
 
 namespace OCA\OpenCatalogi\Service;
+ini_set('memory_limit', '2048M');
 
 use DateTime;
 use Exception;