diff --git a/lib/mempool/fees.js b/lib/mempool/fees.js
index 41a03516..72d2bc9e 100644
--- a/lib/mempool/fees.js
+++ b/lib/mempool/fees.js
@@ -827,7 +827,7 @@ PolicyEstimator.prototype.toRaw = function toRaw(writer) {
  * @returns {PolicyEstimator}
  */
 
-PolicyEstimator.fromRaw = function fromRaw(minRelay, data, logger) {
+PolicyEstimator.fromRaw = function fromRaw(data, minRelay, logger) {
   var br = new BufferReader(data);
   var network = Network.fromMagic(br.readU32());
   var bestHeight = br.readU32();