diff --git a/css/viewer/odfviewer.css b/css/viewer/odfviewer.css
index e35c2fc9b..a1b6e4de9 100644
--- a/css/viewer/odfviewer.css
+++ b/css/viewer/odfviewer.css
@@ -52,6 +52,9 @@
   margin-left: -20px;
   box-shadow: 0px 0px 3px rgba(0, 0, 0, 0.5);
 }
+.richdocuments-avatar.read-only {
+  opacity: 0.8;
+}
 .richdocuments-avatar .popovermenu {
   margin-left: -20px;
 }
diff --git a/js/documents.js b/js/documents.js
index 79b9638cb..b85278ad6 100644
--- a/js/documents.js
+++ b/js/documents.js
@@ -189,6 +189,11 @@ var documentsMain = {
 				var avatar = avatarContainer.find('.avatar');
 				avatardiv.append(avatarContainer);
 				$(avatar).avatar(view.UserId, 32);
+				if (view.ReadOnly === '1') {
+					var userName = view.UserName !== '' ? view.UserName : t('richdocuments', 'Guest');
+					avatarContainer.addClass('read-only');
+					$(avatar).attr('title', userName + ' ' + t('richdocuments', '(read only)'));
+				}
 				$(avatar).tooltip({placement: 'bottom'});
 				if (parent.OC.currentUser !== null && view.UserId !== '') {
 					$(avatar).contactsMenu(view.UserId, 0, avatarContainer);