diff -r 706f10bcdc3c -r f5690d918358 server/src/app/Libraries/Transcript/TranscriptConverterBase.php
--- a/server/src/app/Libraries/Transcript/TranscriptConverterBase.php	Sun Oct 02 19:11:06 2016 +0200
+++ b/server/src/app/Libraries/Transcript/TranscriptConverterBase.php	Sun Oct 02 19:14:07 2016 +0200
@@ -9,7 +9,7 @@
 
 abstract class TranscriptConverterBase implements Transcriptconverterinterface {
 
-    public function __construct(Document $document, string $source, string $creationDate = null) {
+    public function __construct(Document $document, $source, $creationDate = null) {
         $this->resJSON = [];
         $this->document = $document;