diff --git a/tests/lib/files/cache/cache.php b/tests/lib/files/cache/cache.php
index d674ac27fa..de4ae9cd8e 100644
--- a/tests/lib/files/cache/cache.php
+++ b/tests/lib/files/cache/cache.php
@@ -556,7 +556,7 @@ class Cache extends \Test\TestCase {
 		$this->assertEquals($folderWith00F6, $unNormalizedFolderName['name']);
 
 		// put normalized folder
-		$this->assertTrue(is_array($this->cache->get('folder/' . $folderWith00F6)));
+		$this->assertInstanceOf('\OCP\Files\Cache\ICacheEntry', $this->cache->get('folder/' . $folderWith00F6));
 		$this->assertGreaterThan(0, $this->cache->put('folder/' . $folderWith00F6, $data));
 
 		// at this point we should have only one folder named "Schön"
diff --git a/tests/lib/files/cache/scanner.php b/tests/lib/files/cache/scanner.php
index 8186fe2949..b1eb3f589e 100644
--- a/tests/lib/files/cache/scanner.php
+++ b/tests/lib/files/cache/scanner.php
@@ -7,6 +7,7 @@
  */
 
 namespace Test\Files\Cache;
+use OC\Files\Cache\CacheEntry;
 
 /**
  * Class Scanner
@@ -226,6 +227,7 @@ class Scanner extends \Test\TestCase {
 
 		// manipulate etag to simulate an empty etag
 		$this->scanner->scan('', \OC\Files\Cache\Scanner::SCAN_SHALLOW, \OC\Files\Cache\Scanner::REUSE_ETAG);
+		/** @var CacheEntry $data0 */
 		$data0 = $this->cache->get('folder/bar.txt');
 		$this->assertInternalType('string', $data0['etag']);
 		$data1 = $this->cache->get('folder');
@@ -233,7 +235,7 @@ class Scanner extends \Test\TestCase {
 		$data2 = $this->cache->get('');
 		$this->assertInternalType('string', $data2['etag']);
 		$data0['etag'] = '';
-		$this->cache->put('folder/bar.txt', $data0);
+		$this->cache->put('folder/bar.txt', $data0->getData());
 
 		// rescan
 		$this->scanner->scan('folder/bar.txt', \OC\Files\Cache\Scanner::SCAN_SHALLOW, \OC\Files\Cache\Scanner::REUSE_ETAG);