diff --git a/java/client/test/org/openqa/selenium/AlertsTest.java b/java/client/test/org/openqa/selenium/AlertsTest.java
index <HASH>..<HASH> 100644
--- a/java/client/test/org/openqa/selenium/AlertsTest.java
+++ b/java/client/test/org/openqa/selenium/AlertsTest.java
@@ -523,7 +523,7 @@ public class AlertsTest extends JUnit4TestBase {
 
   @Test
   @NotYetImplemented(SAFARI)
-  //@Ignore(value = MARIONETTE, reason = "https://bugzilla.mozilla.org/show_bug.cgi?id=1487705")
+  @NotYetImplemented(value = MARIONETTE, reason = "https://bugzilla.mozilla.org/show_bug.cgi?id=1487705")
   public void shouldHandleAlertOnFormSubmit() {
     driver.get(appServer.create(new Page().withTitle("Testing Alerts").withBody(
         "<form id='theForm' action='javascript:alert(\"Tasty cheese\");'>",
[java] Ignoring a Firefox test back because the corresponding fix in the browser was reverted