diff --git a/core/state_transition.go b/core/state_transition.go
index 540f63fda7..37d81edbca 100644
--- a/core/state_transition.go
+++ b/core/state_transition.go
@@ -232,9 +232,9 @@ func (st *StateTransition) to() common.Address {
 }
 
 func (st *StateTransition) buyGas() error {
-	mgval := new(big.Int).SetUint64(st.msg.GasLimit)
-	mgval = mgval.Mul(mgval, st.msg.GasPrice)
-	balanceCheck := new(big.Int).Set(mgval)
+	mgVal := new(big.Int).SetUint64(st.msg.GasLimit)
+	mgVal = mgVal.Mul(mgVal, st.msg.GasPrice)
+	balanceCheck := new(big.Int).Set(mgVal)
 	if st.msg.GasFeeCap != nil {
 		balanceCheck.SetUint64(st.msg.GasLimit)
 		balanceCheck = balanceCheck.Mul(balanceCheck, st.msg.GasFeeCap)
@@ -249,7 +249,7 @@ func (st *StateTransition) buyGas() error {
 			// Pay for blobGasUsed * actual blob fee
 			blobFee := new(big.Int).SetUint64(blobGas)
 			blobFee.Mul(blobFee, st.evm.Context.BlobBaseFee)
-			mgval.Add(mgval, blobFee)
+			mgVal.Add(mgVal, blobFee)
 		}
 	}
 	if have, want := st.state.GetBalance(st.msg.From), balanceCheck; have.Cmp(want) < 0 {
@@ -261,7 +261,7 @@ func (st *StateTransition) buyGas() error {
 	st.gasRemaining += st.msg.GasLimit
 
 	st.initialGas = st.msg.GasLimit
-	st.state.SubBalance(st.msg.From, mgval)
+	st.state.SubBalance(st.msg.From, mgVal)
 	return nil
 }