diff --git a/components/script/dom/globalscope.rs b/components/script/dom/globalscope.rs
index 4ea57304bf7..9c7139a9a55 100644
--- a/components/script/dom/globalscope.rs
+++ b/components/script/dom/globalscope.rs
@@ -3352,7 +3352,7 @@ impl GlobalScope {
 
         let data = structuredclone::write(cx, value, Some(guard))?;
 
-        structuredclone::read(self, data, retval).map_err(|_| Error::DataClone(None))?;
+        structuredclone::read(self, data, retval)?;
 
         Ok(())
     }