diff --git a/projects/ui/src/lib/components/po-field/po-upload/po-upload-base.service.ts b/projects/ui/src/lib/components/po-field/po-upload/po-upload-base.service.ts
index d0bdec922a..479e569c22 100644
--- a/projects/ui/src/lib/components/po-field/po-upload/po-upload-base.service.ts
+++ b/projects/ui/src/lib/components/po-field/po-upload/po-upload-base.service.ts
@@ -41,7 +41,9 @@ export class PoUploadBaseService {
     const filesLength = files.length;
     const uploadEvent: any = {
       data: {},
-      file: null
+      file: null,
+      url: url,
+      headers: headers
     };
 
     for (let i = 0; i < filesLength; i++) {
@@ -57,6 +59,8 @@ export class PoUploadBaseService {
         tOnUpload.emit(uploadEvent);
 
         formData.append('data', JSON.stringify(uploadEvent.data));
+        url = uploadEvent.url;
+        headers = uploadEvent.headers;
       }
 
       this.sendFile(url, file, headers, formData, uploadCallback, successCallback, errorCallback);