diff --git a/apps/files_sharing/tests/watcher.php b/apps/files_sharing/tests/watcher.php
index a2e440069a4..4af5de6aaae 100644
--- a/apps/files_sharing/tests/watcher.php
+++ b/apps/files_sharing/tests/watcher.php
@@ -76,7 +76,9 @@ class Test_Files_Sharing_Watcher extends OCA\Files_sharing\Tests\TestCase {
 	}
 
 	protected function tearDown() {
-		$this->sharedCache->clear();
+		if ($this->sharedCache) {
+			$this->sharedCache->clear();
+		}
 
 		self::loginHelper(self::TEST_FILES_SHARING_API_USER1);