diff --git a/components/style/matching.rs b/components/style/matching.rs
index 530b3c1f591..4e336c25002 100644
--- a/components/style/matching.rs
+++ b/components/style/matching.rs
@@ -176,7 +176,7 @@ fn element_matches_candidate<E: TElement>(element: &E,
         miss!(State)
     }
 
-    if element.get_id().is_some() {
+    if element.get_id() != candidate_element.get_id() {
         miss!(IdAttr)
     }