diff --git a/packages/providers/src.ts/base-provider.ts b/packages/providers/src.ts/base-provider.ts
index 110154bb9b..0eeede4b9d 100644
--- a/packages/providers/src.ts/base-provider.ts
+++ b/packages/providers/src.ts/base-provider.ts
@@ -1233,7 +1233,7 @@ export class BaseProvider extends Provider implements EnsProvider {
             tx[key] = Promise.resolve(values[key]).then((v) => (v ? this._getAddress(v): null))
         });
 
-        ["gasLimit", "gasPrice", "value"].forEach((key) => {
+        ["gasLimit", "gasPrice", "maxFeePerGas", "maxPriorityFeePerGas", "value"].forEach((key) => {
             if (values[key] == null) { return; }
             tx[key] = Promise.resolve(values[key]).then((v) => (v ? BigNumber.from(v): null));
         });