diff --git a/testsrc/org/mozilla/javascript/tests/DoctestsTest.java b/testsrc/org/mozilla/javascript/tests/DoctestsTest.java
index 5757dd01d3..d2aeebca43 100644
--- a/testsrc/org/mozilla/javascript/tests/DoctestsTest.java
+++ b/testsrc/org/mozilla/javascript/tests/DoctestsTest.java
@@ -64,7 +64,7 @@ public static String loadFile(File f) throws IOException {
         return new String(buf);
     }
 
-    @Parameters(name = "{0}")
+    @Parameters(name = "{0} opt:{2}")
     public static Collection<Object[]> doctestValues() throws IOException {
         File[] doctests = getDoctestFiles();
         List<Object[]> result = new ArrayList<Object[]>();