diff --git a/devenv.nix b/devenv.nix
index 2848ba6..782205c 100644
--- a/devenv.nix
+++ b/devenv.nix
@@ -45,6 +45,7 @@
     ];
     env.LD_LIBRARY_PATH = lib.makeLibraryPath packages;
     env.RUST_LOG = "jong=trace";
+    env.RUST_BACKTRACE = "full";
 
     # https://devenv.sh/languages/
     languages.rust = {
diff --git a/jong/src/riichi.rs b/jong/src/riichi.rs
index d7a817e..14a6e0d 100644
--- a/jong/src/riichi.rs
+++ b/jong/src/riichi.rs
@@ -1,3 +1,5 @@
+use std::time::Duration;
+
 use bevy::prelude::*;
 use bevy_spacetimedb::{ReadInsertMessage, ReadInsertUpdateMessage, ReadUpdateMessage, StdbPlugin};
 
@@ -74,6 +76,10 @@ impl Plugin for Riichi {
 /// spawn all hands and ponds
 
 fn subscriptions(stdb: SpacetimeDB, mut commands: Commands) {
+    while stdb.try_identity().is_none() {
+        bevy::platform::thread::sleep(Duration::from_secs(1));
+    }
+
     let (tx, rx) = std::sync::mpsc::channel();
     stdb.subscription_builder()
         .on_applied(move |_| {