diff --git a/components/background_fetch/background_fetch_delegate_base.cc b/components/background_fetch/background_fetch_delegate_base.cc
index 2cd4b82fe874..d4ecd4e5e29a 100644
--- a/components/background_fetch/background_fetch_delegate_base.cc
+++ b/components/background_fetch/background_fetch_delegate_base.cc
@@ -114,6 +114,7 @@ void BackgroundFetchDelegateBase::DownloadUrl(
     job_details->MarkJobAsStarted();
   }
 
+  params.request_params.initiator = job_details->fetch_description->origin;
   params.request_params.isolation_info =
       job_details->fetch_description->isolation_info;
 
diff --git a/components/download/content/internal/download_driver_impl.cc b/components/download/content/internal/download_driver_impl.cc
index 0428af0294a0..97e96659ff3c 100644
--- a/components/download/content/internal/download_driver_impl.cc
+++ b/components/download/content/internal/download_driver_impl.cc
@@ -229,6 +229,10 @@ void DownloadDriverImpl::Start(
   }
   download_url_params->set_update_first_party_url_on_redirect(
       request_params.update_first_party_url_on_redirect);
+  if (request_params.initiator) {
+    download_url_params->set_initiator(
+        request_params.initiator.value());
+  }
 
   download_manager_coordinator_->DownloadUrl(std::move(download_url_params));
 }
diff --git a/components/download/public/background_service/download_params.h b/components/download/public/background_service/download_params.h
index 8d539cbe3cb9..b5ca05c0c652 100644
--- a/components/download/public/background_service/download_params.h
+++ b/components/download/public/background_service/download_params.h
@@ -18,6 +18,7 @@
 #include "net/traffic_annotation/network_traffic_annotation.h"
 #include "services/network/public/mojom/fetch_api.mojom-shared.h"
 #include "url/gurl.h"
+#include "url/origin.h"
 
 namespace download {
 
@@ -135,6 +136,8 @@ struct COMPONENT_EXPORT(COMPONENTS_DOWNLOAD_PUBLIC_BACKGROUND_SERVICE)
   // considered a main frame navigation. However, this is not true for
   // background fetch.
   bool update_first_party_url_on_redirect = true;
+
+  std::optional<url::Origin> initiator;
 };
 
 // The parameters that describe a download request made to the DownloadService.