diff --git a/src/app/core/data/eperson-registration.service.ts b/src/app/core/data/eperson-registration.service.ts
index 90a3fab83a..23764d007a 100644
--- a/src/app/core/data/eperson-registration.service.ts
+++ b/src/app/core/data/eperson-registration.service.ts
@@ -81,6 +81,7 @@ export class EpersonRegistrationService {
     let headers = new HttpHeaders();
     if (captchaToken) {
       headers = headers.append('x-recaptcha-token', captchaToken);
+      headers = headers.append('x-captcha-version', captchaToken);
     }
     options.headers = headers;