diff --git a/files_opds/appinfo/app.php b/files_opds/appinfo/app.php
index 3692ff8..fd6606c 100644
--- a/files_opds/appinfo/app.php
+++ b/files_opds/appinfo/app.php
@@ -8,4 +8,4 @@ require 'files_opds/lib/epub-preview.php';
 \OCP\App::registerAdmin('files_opds', 'admin');
 
 /* register preview provider */
-\OC\Preview::registerProvider('OC\Preview\Epub');
+\OC::$server->getPreviewManager()->registerProvider('OC\Preview\Epub');
diff --git a/files_opds/appinfo/info.xml b/files_opds/appinfo/info.xml
index b086fcf..505e716 100644
--- a/files_opds/appinfo/info.xml
+++ b/files_opds/appinfo/info.xml
@@ -10,7 +10,7 @@
 		The feed is in compliance with the OPDS 1.1 specification according to the online OPDS validator (http://opds-validator.appspot.com/).
 	</description>
         <licence>AGPL</licence>
-	<version>0.6.5</version>
+	<version>0.6.6</version>
         <author>Frank de Lange</author>
         <requiremin>7.0</requiremin>
         <shipped>true</shipped>