diff --git a/js/documents.js b/js/documents.js
index 288fddb3..9c176489 100644
--- a/js/documents.js
+++ b/js/documents.js
@@ -199,7 +199,7 @@ var documentsMain = {
 					var viewer = urlsrc +
 						'WOPISrc=' + encodeURIComponent(documentsMain.url) +
 						'&host=' + $('#wopi-url').val() +
-			                        '&filename=' + title +
+			                        '&title=' + title +
 					        '&permission=' + 'view' +
 			                        '&timestamp=' + '' +
 			                        '&closebutton=1';