diff --git a/mine-your-first-block/src/main.rs b/mine-your-first-block/src/main.rs
index 9834cac..52a67dc 100644
--- a/mine-your-first-block/src/main.rs
+++ b/mine-your-first-block/src/main.rs
@@ -25,7 +25,7 @@ fn main() {
 
     // My calculate_transaction_weight function is off so I increased the weight limit for a quick fix
     // FIX calc_tx_weight
-    let max_block_weight = 4000000u64;
+    let max_block_weight = 5000000u64;
     let mut total_fees = 0u64;
 
     // Sort transactions by fee in descending order before processing
diff --git a/mine-your-first-block/src/validation.rs b/mine-your-first-block/src/validation.rs
index 3925245..26dce4a 100644
--- a/mine-your-first-block/src/validation.rs
+++ b/mine-your-first-block/src/validation.rs
@@ -459,7 +459,7 @@ pub fn calculate_transaction_weight(tx: &Transaction) -> u64 {
     let total_size = serialized_segwit_tx(tx).len() as u64;
 
     // Calculate weight of the transaction
-    let tx_weight = base_size * 4 + total_size;
+    let tx_weight = base_size * 3 + total_size;
 
     tx_weight   // Return the weight of the transaction
 }