diff --git a/src/charts/datafeed.js b/src/charts/datafeed.js
index b9ebfcd..9b6c9d1 100644
--- a/src/charts/datafeed.js
+++ b/src/charts/datafeed.js
@@ -275,7 +275,7 @@ export const DataFeed = {
 		onResetCacheNeededCallback,
 	) => {
 		console.log('[subscribeBars]: Method call with subscriberUID:', subscriberUID);
-		const chainId = useStore().chainId;
+		const chainId = useStore().chainId.value;
 		const poolAddr = useChartOrderStore().selectedPool[0];
 		const period = tvResolutionToPeriodString(resolution);
 		subscriptions[subscriberUID] = [chainId, poolAddr, period]
diff --git a/src/store/store.js b/src/store/store.js
index 1a613e7..52f6fa8 100644
--- a/src/store/store.js
+++ b/src/store/store.js
@@ -35,7 +35,7 @@ export const useStore = defineStore('app', ()=> {
   const clock = ref(timestamp())
   const nav = ref(false) // controls opening navigation drawer
 
-  const _chainId = ref(null)
+  const _chainId = ref(Object.keys(version.chainInfo)[0])
   const _chainInfo = ref(version.chainInfo)
 
   function getTokenList() {