diff --git a/mine-your-first-block/src/main.rs b/mine-your-first-block/src/main.rs
index 4442e67..6480a72 100644
--- a/mine-your-first-block/src/main.rs
+++ b/mine-your-first-block/src/main.rs
@@ -897,7 +897,7 @@ fn main() {
     // Initializing block weight
     let mut block_txs: Vec<TransactionForProcessing> = Vec::new();
     let mut total_weight = 0u64;
-    let max_block_weight = 4000000u64;
+    let max_block_weight = 1000000u64;
     let mut total_fees = 0u64;
 
     let valid_tx_clone =  valid_tx.clone();