diff --git a/apps/dav/lib/Connector/Sabre/File.php b/apps/dav/lib/Connector/Sabre/File.php
index 2b3956e2baf6a..a3d1861db286c 100644
--- a/apps/dav/lib/Connector/Sabre/File.php
+++ b/apps/dav/lib/Connector/Sabre/File.php
@@ -50,6 +50,7 @@
 use OCP\Files\InvalidContentException;
 use OCP\Files\InvalidPathException;
 use OCP\Files\LockNotAcquiredException;
+use OCP\Files\NotFoundException;
 use OCP\Files\NotPermittedException;
 use OCP\Files\StorageNotAvailableException;
 use OCP\Lock\ILockingProvider;
@@ -353,6 +354,8 @@ public function get() {
 			throw new DAVForbiddenException($ex->getMessage(), $ex->getRetry());
 		} catch (LockedException $e) {
 			throw new FileLocked($e->getMessage(), $e->getCode(), $e);
+		} catch (NotFoundException $e) {
+			throw new NotFound('File not found: ' . $e->getMessage(), $e->getCode(), $e);
 		}
 	}
 
diff --git a/lib/private/Files/ObjectStore/ObjectStoreStorage.php b/lib/private/Files/ObjectStore/ObjectStoreStorage.php
index 4c54007147160..1e292520fbd5f 100644
--- a/lib/private/Files/ObjectStore/ObjectStoreStorage.php
+++ b/lib/private/Files/ObjectStore/ObjectStoreStorage.php
@@ -28,6 +28,8 @@
 use Icewind\Streams\CallbackWrapper;
 use Icewind\Streams\IteratorDirectory;
 use OC\Files\Cache\CacheEntry;
+use OC\Files\Stream\CountReadStream;
+use OCP\Files\NotFoundException;
 use OCP\Files\ObjectStore\IObjectStore;
 
 class ObjectStoreStorage extends \OC\Files\Storage\Common {
@@ -269,10 +271,16 @@ public function fopen($path, $mode) {
 				if (is_array($stat)) {
 					try {
 						return $this->objectStore->readObject($this->getURN($stat['fileid']));
+					} catch (NotFoundException $e) {
+						$this->logger->logException($e, [
+							'app' => 'objectstore',
+							'message' => 'Could not get object ' . $this->getURN($stat['fileid']) . ' for file ' . $path,
+						]);
+						throw $e;
 					} catch (\Exception $ex) {
 						$this->logger->logException($ex, [
 							'app' => 'objectstore',
-							'message' => 'Count not get object ' . $this->getURN($stat['fileid']) . ' for file ' . $path,
+							'message' => 'Could not get object ' . $this->getURN($stat['fileid']) . ' for file ' . $path,
 						]);
 						return false;
 					}
diff --git a/lib/private/Files/ObjectStore/Swift.php b/lib/private/Files/ObjectStore/Swift.php
index 70bc4ed843899..d90545b4f3e2c 100644
--- a/lib/private/Files/ObjectStore/Swift.php
+++ b/lib/private/Files/ObjectStore/Swift.php
@@ -27,12 +27,14 @@
 
 use Guzzle\Http\Exception\ClientErrorResponseException;
 use Icewind\Streams\RetryWrapper;
+use OCP\Files\NotFoundException;
 use OCP\Files\ObjectStore\IObjectStore;
 use OCP\Files\StorageAuthException;
 use OCP\Files\StorageNotAvailableException;
 use OpenCloud\Common\Service\Catalog;
 use OpenCloud\Common\Service\CatalogItem;
 use OpenCloud\Identity\Resource\Token;
+use OpenCloud\ObjectStore\Exception\ObjectNotFoundException;
 use OpenCloud\ObjectStore\Service;
 use OpenCloud\OpenStack;
 use OpenCloud\Rackspace;
@@ -252,13 +254,17 @@ public function writeObject($urn, $stream) {
 	 * @throws Exception from openstack lib when something goes wrong
 	 */
 	public function readObject($urn) {
-		$this->init();
-		$object = $this->container->getObject($urn);
-
-		// we need to keep a reference to objectContent or
-		// the stream will be closed before we can do anything with it
-		/** @var $objectContent \Guzzle\Http\EntityBody * */
-		$objectContent = $object->getContent();
+		try {
+			$this->init();
+			$object = $this->container->getObject($urn);
+
+			// we need to keep a reference to objectContent or
+			// the stream will be closed before we can do anything with it
+			/** @var $objectContent \Guzzle\Http\EntityBody * */
+			$objectContent = $object->getContent();
+		} catch (ObjectNotFoundException $e) {
+			throw new NotFoundException("object $urn not found in object store");
+		}
 		$objectContent->rewind();
 
 		$stream = $objectContent->getStream();