diff --git a/client/src/elm/MassiveDecks.elm b/client/src/elm/MassiveDecks.elm
index 6ff3317..687e33b 100644
--- a/client/src/elm/MassiveDecks.elm
+++ b/client/src/elm/MassiveDecks.elm
@@ -89,7 +89,7 @@ init flags url key =
             , notifications = Notifications.init
             , remoteMode = remoteMode
             , serverVersion = Nothing
-            , sources = { builtIn = Nothing, manyDecks = Nothing, jsonAgainstHumanity = Nothing }
+            , sources = { builtIn = Nothing, manyDecks = [], jsonAgainstHumanity = Nothing }
             , adverts = { manyDecks = False, atTheParty = False }
             }