diff --git a/src/main.ts b/src/main.ts
index 00fde005..f30afb23 100644
--- a/src/main.ts
+++ b/src/main.ts
@@ -19,7 +19,11 @@ app.use(LazyLoad, { component: true });
 // Mount vue app
 app.mount('#app');
 
-const REFRESH_INTERVAL = import.meta.env.VITE_REFRESH_INTERVAL || 6000; // 6 seconds
+// fetch new block(s) on this interval, specified in miliseconds
+// note that the design of the block fetching code is such that it
+// will MISS BLOCKS if this interval is longer than the block time
+// TODO: make this configurable
+const blockFetchInterval = 2 * 1000;
 
 // fetch latest block every 6s
 const blockStore = useBaseStore();
@@ -30,4 +34,4 @@ setInterval(() => {
     // max allowed request
     blockStore.fetchLatest().finally(() => (requestCounter.value -= 1));
   }
-}, REFRESH_INTERVAL);
+}, blockFetchInterval);