diff --git a/packages/backend/src/errors/http-error.ts b/packages/backend/src/errors/http-error.ts
new file mode 100644
index 00000000..2e71ebeb
--- /dev/null
+++ b/packages/backend/src/errors/http-error.ts
@@ -0,0 +1,3 @@
+import BaseError from './base';
+
+export default class HttpError extends BaseError {}
diff --git a/packages/backend/src/helpers/http-client/index.ts b/packages/backend/src/helpers/http-client/index.ts
index c6346e9f..611d5d9b 100644
--- a/packages/backend/src/helpers/http-client/index.ts
+++ b/packages/backend/src/helpers/http-client/index.ts
@@ -2,6 +2,7 @@ import axios, { AxiosRequestConfig } from 'axios';
 export { AxiosInstance as IHttpClient } from 'axios';
 import { IHttpClientParams } from '@automatisch/types';
 import { URL } from 'url';
+import HttpError from '../../errors/http-error';
 
 const removeBaseUrlForAbsoluteUrls = (
   requestConfig: AxiosRequestConfig
@@ -39,8 +40,7 @@ export default function createHttpClient({
   instance.interceptors.response.use(
     (response) => response,
     (error) => {
-      error.response.httpError = error.response.data;
-      throw error;
+      throw new HttpError(error.response.data);
     }
   );
 
diff --git a/packages/backend/src/services/flow.ts b/packages/backend/src/services/flow.ts
index 8e481444..82cc8aa3 100644
--- a/packages/backend/src/services/flow.ts
+++ b/packages/backend/src/services/flow.ts
@@ -1,6 +1,7 @@
 import Flow from '../models/flow';
 import globalVariable from '../helpers/global-variable';
 import EarlyExitError from '../errors/early-exit';
+import HttpError from '../errors/http-error';
 
 type ProcessFlowOptions = {
   flowId: string;
@@ -25,8 +26,8 @@ export const processFlow = async (options: ProcessFlowOptions) => {
     await triggerCommand.run($);
   } catch (error) {
     if (error instanceof EarlyExitError === false) {
-      if (error?.response?.httpError) {
-        $.triggerOutput.error = error.response.httpError;
+      if (error instanceof HttpError) {
+        $.triggerOutput.error = error.error;
       } else {
         try {
           $.triggerOutput.error = JSON.parse(error.message);