diff --git a/src/gasPriceOracle/adapters/linea-viem.ts b/src/gasPriceOracle/adapters/linea-viem.ts
index d97bf188..4eb897ae 100644
--- a/src/gasPriceOracle/adapters/linea-viem.ts
+++ b/src/gasPriceOracle/adapters/linea-viem.ts
@@ -10,6 +10,7 @@ import { PopulatedTransaction } from "ethers";
  * compressed transaction size, layer 1 verification costs and capacity, gas price ratio between layer 1 and layer 2,
  * the transaction's gas usage, the minimum gas price on layer 2,
  * and a minimum margin (for error) for gas price estimation.
+ * Source: https://docs.linea.build/get-started/how-to/gas-fees#how-gas-works-on-linea
  * @dev Because the Linea priority fee is more volatile than the base fee, the base fee multiplier will be applied
  * to the priority fee.
  * @param provider
diff --git a/test/GasPriceOracle.test.ts b/test/GasPriceOracle.test.ts
index 9a483dba..d98a12ac 100644
--- a/test/GasPriceOracle.test.ts
+++ b/test/GasPriceOracle.test.ts
@@ -18,7 +18,7 @@ const dummyLogger = winston.createLogger({
 
 const stdLastBaseFeePerGas = parseUnits("12", 9);
 const stdMaxPriorityFeePerGas = parseUnits("1", 9); // EIP-1559 chains only
-const expectedLineaMaxFeePerGas = parseUnits("7", 9);
+const expectedLineaMaxFeePerGas = BigNumber.from("7");
 const ethersProviderChainIds = [1, 10, 137, 324, 8453, 42161, 534352, 59144];
 const viemProviderChainIds = [59144];
 
@@ -142,6 +142,10 @@ describe("Gas Price Oracle", function () {
         expect(markedUpMaxPriorityFeePerGas).to.equal(1);
         expect(maxPriorityFeePerGas).to.equal(1);
       }
+      if (chainId === 324 || chainId === 534352) {
+        // Scroll and ZkSync use legacy pricing so priority fee should be 0.
+        expect(maxPriorityFeePerGas).to.equal(0);
+      }
       if (eip1559RawGasPriceFeedChainIds.includes(chainId)) {
         const chainKey = `GAS_PRICE_EIP1559_RAW_${chainId}`;
         delete process.env[chainKey];
diff --git a/test/utils/transport.ts b/test/utils/transport.ts
index 660f15eb..5ffd7d59 100644
--- a/test/utils/transport.ts
+++ b/test/utils/transport.ts
@@ -20,8 +20,8 @@ export const makeCustomTransport = (
           return BigInt(stdMaxPriorityFeePerGas.toString());
         case "linea_estimateGas":
           return {
-            // Linea base fee is always 7 gwei
-            baseFeePerGas: BigInt(parseUnits("7", 9).toString()),
+            // Linea base fee is always 7 wei
+            baseFeePerGas: BigInt(7),
             priorityFeePerGas: BigInt(stdMaxPriorityFeePerGas.toString()),
             gasLimit: BigInt("0"),
           };