diff --git a/tree-construction/scripted/adoption01.dat b/tree-construction/scripted/adoption01.dat
index 4e08d0e8..5cc0f074 100644
--- a/tree-construction/scripted/adoption01.dat
+++ b/tree-construction/scripted/adoption01.dat
@@ -1,6 +1,7 @@
 #data
 <p><b id="A"><script>document.getElementById("A").id = "B"</script></p>TEXT</b>
 #errors
+#script-on
 #document
 | <html>
 |   <head>
diff --git a/tree-construction/scripted/ark.dat b/tree-construction/scripted/ark.dat
index acbac41d..feebeadb 100644
--- a/tree-construction/scripted/ark.dat
+++ b/tree-construction/scripted/ark.dat
@@ -1,6 +1,7 @@
 #data
 <p><font size=4><font size=4><font size=4><script>document.getElementsByTagName("font")[2].setAttribute("size", "5");</script><font size=4><p>X
 #errors
+#script-on
 #document
 | <html>
 |   <head>
diff --git a/tree-construction/scripted/webkit01.dat b/tree-construction/scripted/webkit01.dat
index ef4a41ca..3e71c1ba 100644
--- a/tree-construction/scripted/webkit01.dat
+++ b/tree-construction/scripted/webkit01.dat
@@ -1,6 +1,7 @@
 #data
 1<script>document.write("2")</script>3
 #errors
+#script-on
 #document
 | <html>
 |   <head>
@@ -13,6 +14,7 @@
 #data
 1<script>document.write("<script>document.write('2')</scr"+ "ipt><script>document.write('3')</scr" + "ipt>")</script>4
 #errors
+#script-on
 #document
 | <html>
 |   <head>
