diff --git a/ports/geckolib/glue.rs b/ports/geckolib/glue.rs
index 06c7b794a962..1c975c5767b0 100644
--- a/ports/geckolib/glue.rs
+++ b/ports/geckolib/glue.rs
@@ -1530,6 +1530,7 @@ pub unsafe extern "C" fn Servo_SelectorList_Matches(
         None,
         element.owner_document_quirks_mode(),
     );
+    context.scope_element = Some(element.opaque());
 
     selectors::matching::matches_selector_list(selectors, &element, &mut context)
 }