diff --git a/core/src/test/java/hudson/util/FormValidationTest.java b/core/src/test/java/hudson/util/FormValidationTest.java
index 281a11f152..1840a54e3f 100644
--- a/core/src/test/java/hudson/util/FormValidationTest.java
+++ b/core/src/test/java/hudson/util/FormValidationTest.java
@@ -23,6 +23,10 @@
  */
 package hudson.util;
 
+import static org.hamcrest.CoreMatchers.containsString;
+import static org.hamcrest.CoreMatchers.not;
+import static org.hamcrest.MatcherAssert.assertThat;
+
 import junit.framework.TestCase;
 
 /**
@@ -51,4 +55,9 @@ public class FormValidationTest extends TestCase {
     public void testMessage() {
         assertEquals("test msg", FormValidation.errorWithMarkup("test msg").getMessage());
     }
+
+    public void testFormValidationException() {
+        FormValidation fv = FormValidation.error(new Exception("<html"), "Message<html");
+        assertThat(fv.renderHtml(), not(containsString("<html")));
+    }
 }