diff --git a/blink/renderer/core/loader/frame_load_request.cc b/blink/renderer/core/loader/frame_load_request.cc
index fa6fdde..4759315 100644
--- a/blink/renderer/core/loader/frame_load_request.cc
+++ b/blink/renderer/core/loader/frame_load_request.cc
@@ -51,8 +51,7 @@
 
   if (origin_document) {
     DCHECK(!resource_request_.RequestorOrigin());
-    resource_request_.SetRequestorOrigin(
-        SecurityOrigin::Create(origin_document->Url()));
+    resource_request_.SetRequestorOrigin(origin_document->GetSecurityOrigin());
 
     if (resource_request.Url().ProtocolIs("blob") &&
         BlobUtils::MojoBlobURLsEnabled()) {