diff --git a/src/test/ref/basic.list b/src/test/ref/basic.list
index 4df86c52e8b..d59e1fb229f 100644
--- a/src/test/ref/basic.list
+++ b/src/test/ref/basic.list
@@ -65,3 +65,4 @@
 == background_repeat_y_a.html background_repeat_y_b.html
 == background_repeat_none_a.html background_repeat_none_b.html
 == background_repeat_both_a.html background_repeat_both_b.html
+== setattribute_id_restyle_a.html setattribute_id_restyle_b.html
diff --git a/src/test/ref/setattribute_id_restyle_a.html b/src/test/ref/setattribute_id_restyle_a.html
new file mode 100644
index 00000000000..469ce797db7
--- /dev/null
+++ b/src/test/ref/setattribute_id_restyle_a.html
@@ -0,0 +1,12 @@
+<style>
+    #foo { background-color: #FF0000; }
+</style>
+
+<div>hello</div>
+<div id="">world</div>
+
+<script>
+    var divs = document.getElementsByTagName('div');
+    divs[0].setAttribute('id', 'foo');
+    divs[1].setAttribute('id', 'foo');
+</script>
diff --git a/src/test/ref/setattribute_id_restyle_b.html b/src/test/ref/setattribute_id_restyle_b.html
new file mode 100644
index 00000000000..f16fe454c50
--- /dev/null
+++ b/src/test/ref/setattribute_id_restyle_b.html
@@ -0,0 +1,6 @@
+<style>
+    #foo { background-color: #FF0000; }
+</style>
+
+<div id="foo">hello</div>
+<div id="foo">world</div>