diff --git a/packages/bruno-electron/src/ipc/network/axios-instance.js b/packages/bruno-electron/src/ipc/network/axios-instance.js
index da1584d42..a292973fe 100644
--- a/packages/bruno-electron/src/ipc/network/axios-instance.js
+++ b/packages/bruno-electron/src/ipc/network/axios-instance.js
@@ -50,6 +50,19 @@ const checkConnection = (host, port) =>
 function makeAxiosInstance() {
   /** @type {axios.AxiosInstance} */
   const instance = axios.create({
+    transformRequest: function transformRequest(data, headers) {
+      // doesn't apply the default transformRequest if the data is a string, so that axios doesn't add quotes see :
+      // https://github.com/usebruno/bruno/issues/2043
+      // https://github.com/axios/axios/issues/4034
+      const contentType = headers?.['Content-Type'] || headers?.['content-type'] || '';
+      const hasJSONContentType = contentType.includes('json');
+      if (typeof data === 'string' && hasJSONContentType) {
+        return data;
+      }
+
+      axios.defaults.transformRequest.forEach((tr) => data = tr(data, headers));
+      return data;
+    },
     proxy: false
   });