diff --git a/web/app/assets/javascripts/react-components/stores/SessionStore.js.coffee b/web/app/assets/javascripts/react-components/stores/SessionStore.js.coffee
index cde04af39..ce18d8551 100644
--- a/web/app/assets/javascripts/react-components/stores/SessionStore.js.coffee
+++ b/web/app/assets/javascripts/react-components/stores/SessionStore.js.coffee
@@ -1153,12 +1153,12 @@ ConfigureTracksActions = @ConfigureTracksActions
       logger.debug("client asks #{op} for #{data["id"]}")
       if op == "join"
         sessionId = data["id"]
-
         if sessionId != @currentSessionId
           window.location = "/client#/session/" + sessionId
         else
           logger.debug("dropped #{op} because sessionId #{sessionId} matches currentSessionId")
       else if op == "leave"
+        sessionId = data["id"]
         if sessionId == @currentSessionId
           @onLeaveSession({location: '/client#/home'})
         else