diff --git a/tests/run-tests.html b/tests/run-tests.html
index 5c43d06b68..02d52a579c 100644
--- a/tests/run-tests.html
+++ b/tests/run-tests.html
@@ -145,6 +145,8 @@ Test.AnotherWay._add_test_page_url=function( test_url, convention )
cell_child=document.createElement( "input" );
cell_child.type="checkbox";
cell_child.id="checkbox"+index;
+ cell_child.checked='checked';
+ cell_child.defaultChecked='checked';
cell.appendChild( cell_child );
cell=row.insertCell( -1 );