diff --git a/web/app/assets/javascripts/findSession.js b/web/app/assets/javascripts/findSession.js
index 9032f24e7..a7dd59f34 100644
--- a/web/app/assets/javascripts/findSession.js
+++ b/web/app/assets/javascripts/findSession.js
@@ -176,7 +176,7 @@
         function containsInvitation(session) {
             var i, invitation = null;
 
-            if (invitations in session) {
+            if ("invitations" in session) {
                 // user has invitations for this session
                 for (i=0; i < session.invitations.length; i++) {
                     invitation = session.invitations[i];
@@ -193,7 +193,7 @@
         function containsFriend(session) {
             var i, participant = null;
 
-            if (participants in session) {
+            if ("participants" in session) {
                 for (i=0; i < session.participants.length; i++) {
                     participant = session.participants[i];
                     // this session participant is a friend