diff --git a/src/fio/fioEngine.js b/src/fio/fioEngine.js
index 8e1f2c1e8..aca2a7ddb 100644
--- a/src/fio/fioEngine.js
+++ b/src/fio/fioEngine.js
@@ -723,7 +723,7 @@ export class FioEngine extends CurrencyEngine {
     } catch (e) {
       // handle FIO API error
       if (e.errorCode && fioApiErrorCodes.indexOf(e.errorCode) > -1) {
-        this.log(
+        this.log.error(
           `executePreparedTrx error. requestParams: ${JSON.stringify(
             preparedTrx
           )} - apiUrl: ${apiUrl} - endpoint: ${endpoint} - message: ${JSON.stringify(
@@ -740,7 +740,7 @@ export class FioEngine extends CurrencyEngine {
         }
         throw e
       } else {
-        this.log(
+        this.log.error(
           `executePreparedTrx error. requestParams: ${JSON.stringify(
             preparedTrx
           )} - apiUrl: ${apiUrl} - endpoint: ${endpoint} - message: ${