diff --git a/components/style/sequential.rs b/components/style/sequential.rs
index 56b8a563d27..2ae7a18048b 100644
--- a/components/style/sequential.rs
+++ b/components/style/sequential.rs
@@ -21,7 +21,7 @@ pub fn traverse_dom<N, C>(root: N,
 
         for kid in node.children() {
             context.pre_process_child_hook(node, kid);
-            if context.should_process(node) {
+            if context.should_process(kid) {
                 doit::<N, C>(context, kid);
             }
         }