diff --git a/web/app/assets/javascripts/findSession.js b/web/app/assets/javascripts/findSession.js
index 6f44cb4b2..9032f24e7 100644
--- a/web/app/assets/javascripts/findSession.js
+++ b/web/app/assets/javascripts/findSession.js
@@ -175,12 +175,15 @@
 
         function containsInvitation(session) {
             var i, invitation = null;
-            // user has invitations for this session
-            for (i=0; i < session.invitations.length; i++) {
-                invitation = session.invitations[i];
-                // session contains an invitation for this user
-                if (invitation.receiver_id == context.JK.currentUserId) {
-                    return true;
+
+            if (invitations in session) {
+                // user has invitations for this session
+                for (i=0; i < session.invitations.length; i++) {
+                    invitation = session.invitations[i];
+                    // session contains an invitation for this user
+                    if (invitation.receiver_id == context.JK.currentUserId) {
+                        return true;
+                    }
                 }
             }
 
@@ -190,11 +193,13 @@
         function containsFriend(session) {
             var i, participant = null;
 
-            for (i=0; i < session.participants.length; i++) {
-                participant = session.participants[i];
-                // this session participant is a friend
-                if (participant !== null && participant !== undefined && participant.user.is_friend) {
-                    return true;
+            if (participants in session) {
+                for (i=0; i < session.participants.length; i++) {
+                    participant = session.participants[i];
+                    // this session participant is a friend
+                    if (participant !== null && participant !== undefined && participant.user.is_friend) {
+                        return true;
+                    }
                 }
             }
             return false;
diff --git a/web/app/assets/javascripts/sidebar.js b/web/app/assets/javascripts/sidebar.js
index 758235423..589b43dae 100644
--- a/web/app/assets/javascripts/sidebar.js
+++ b/web/app/assets/javascripts/sidebar.js
@@ -538,11 +538,14 @@
                 }).error(app.ajaxError);
 
                 var participantHtml = "You have been invited to join a session with: <br/><br/>";
+                participantHtml += "<table><tbody>";
 
                 $.each(participants, function(index, val) {
-                     participantHtml += "<img class='avatar_large' src='" + val.photo_url + "' />&nbsp;" + val.name + "<br/>";
+                     participantHtml += "<tr><td><img class='avatar-small' src='" + val.photo_url + "' /></td><td>" + val.name + "</td></tr>";
                 });
 
+                participantHtml += "</tbody></table>";
+
                 // display notification
                 app.notify({
                     "title": "Session Invitation",
diff --git a/web/app/assets/stylesheets/client/sidebar.css.scss b/web/app/assets/stylesheets/client/sidebar.css.scss
index e31530fbc..2d42dcdec 100644
--- a/web/app/assets/stylesheets/client/sidebar.css.scss
+++ b/web/app/assets/stylesheets/client/sidebar.css.scss
@@ -98,7 +98,7 @@
         ms-filter: "alpha(opacity=50)";
     }
 
-    li .avatar-small {
+   .avatar-small {
         float:left;
         padding:1px;
         width:36px;
@@ -110,7 +110,7 @@
         border-radius:18px;
     }
 
-    li .avatar-small img {
+   .avatar-small img {
         width: 36px;
         height: 36px;
         -webkit-border-radius:18px;