diff --git a/src/packages/collaboration/lib/participant-view.coffee b/src/packages/collaboration/lib/participant-view.coffee
index e011f374a..a56aa4f32 100644
--- a/src/packages/collaboration/lib/participant-view.coffee
+++ b/src/packages/collaboration/lib/participant-view.coffee
@@ -16,6 +16,8 @@ class ParticipantView extends View
     @video.click =>
       @toggleClass('large')
 
+    @attr('title', email)
+
     # emailMd5 = crypto.createHash('md5').update(email).digest('hex')
     # @avatar.attr('src', "http://www.gravatar.com/avatar/#{emailMd5}?s=32")