diff --git a/src/co/gaiwan/compass/routes/sessions.clj b/src/co/gaiwan/compass/routes/sessions.clj
index c96e1ec..f8f271b 100644
--- a/src/co/gaiwan/compass/routes/sessions.clj
+++ b/src/co/gaiwan/compass/routes/sessions.clj
@@ -39,6 +39,7 @@
              :session/description description
              :session/type (keyword "session.type" type)
              :session/location (keyword "location.type" location)
+             :session/signup 0
              :session/capacity (parse-long capacity)}
       (= ticket-required? "on")
       (assoc :session/ticket-required? true)