diff --git a/packages/bruno-electron/src/ipc/network/prepare-request.js b/packages/bruno-electron/src/ipc/network/prepare-request.js
index f3aea2c8f..de6ed1632 100644
--- a/packages/bruno-electron/src/ipc/network/prepare-request.js
+++ b/packages/bruno-electron/src/ipc/network/prepare-request.js
@@ -2,7 +2,7 @@ const { get, each, filter } = require('lodash');
 const decomment = require('decomment');
 const crypto = require('node:crypto');
 const { getTreePathFromCollectionToItem, mergeHeaders, mergeScripts, mergeVars } = require('../../utils/collection');
-const { buildFormUrlEncodedPayload } = require('../../utils/form-data');
+const { buildFormUrlEncodedPayload, createFormData } = require('../../utils/form-data');
 
 const setAuthHeaders = (axiosRequest, request, collectionRoot) => {
   const collectionAuth = get(collectionRoot, 'request.auth');
@@ -245,11 +245,11 @@ const prepareRequest = (item, collection) => {
   }
 
   if (request.body.mode === 'multipartForm') {
-    axiosRequest.headers['content-type'] = 'multipart/form-data';
-    const params = {};
+    if (!contentTypeDefined) {
+      axiosRequest.headers['content-type'] = 'multipart/form-data';
+    }
     const enabledParams = filter(request.body.multipartForm, (p) => p.enabled);
-    each(enabledParams, (p) => (params[p.name] = p.value));
-    axiosRequest.data = params;
+    axiosRequest.data = createFormData(enabledParams);
   }
 
   if (request.body.mode === 'graphql') {