diff --git a/packages/webiny-app/src/plugins/fileUploaderPlugin.js b/packages/webiny-app/src/plugins/fileUploaderPlugin.js
index <HASH>..<HASH> 100644
--- a/packages/webiny-app/src/plugins/fileUploaderPlugin.js
+++ b/packages/webiny-app/src/plugins/fileUploaderPlugin.js
@@ -20,7 +20,7 @@ export default (config: Object = {}): FileUploaderPlugin => ({
         });
 
         return await new Promise((resolve, reject) => {
-            const formData = new window.CreateFormData();
+            const formData = new window.FormData();
             Object.keys(presignedPostPayload.data.s3.fields).forEach(key => {
                 formData.append(key, presignedPostPayload.data.s3.fields[key]);
             });
fix: undo accidental find / replace (blame storm)