diff --git a/components/style/dom.rs b/components/style/dom.rs
index 3d088956289..c70a8fd26be 100644
--- a/components/style/dom.rs
+++ b/components/style/dom.rs
@@ -881,7 +881,7 @@ pub trait TElement:
                                 }
                             }
                             // TODO: Could be more granular.
-                            if !shadow.host().exports_any_part() {
+                            if !inner_shadow_host.exports_any_part() {
                                 break;
                             }
                             inner_shadow = shadow;