diff --git a/datastore/main/.env.defaults b/datastore/main/.env.defaults
index 5044fd5f..19d63fcd 100644
--- a/datastore/main/.env.defaults
+++ b/datastore/main/.env.defaults
@@ -1,5 +1,5 @@
 ARGON_MAINCHAIN_URL=
-ARGON_GENESIS_UTC_TIME=
+ARGON_GENESIS_UTC_TIME=1,728,396,000,000
 ARGON_TICK_DURATION_MILLIS=60000
 ARGON_NTP_SERVER=#pool.ntp.org
 ARGON_CHANNEL_HOLD_EXPIRATION_TICKS=60
diff --git a/datastore/main/payments/LocalchainWithSync.ts b/datastore/main/payments/LocalchainWithSync.ts
index 77b61e06..cfbc1bb1 100644
--- a/datastore/main/payments/LocalchainWithSync.ts
+++ b/datastore/main/payments/LocalchainWithSync.ts
@@ -186,6 +186,7 @@ export default class LocalchainWithSync
   }
 
   public async attachMainchain(mainchain: MainchainClient): Promise<void> {
+    if (!this.#localchain) return;
     await this.#localchain.attachMainchain(mainchain);
     await this.#localchain.updateTicker();
     this.mainchainLoaded.resolve();