diff --git a/test/org/apache/catalina/servlets/TestDefaultServlet.java b/test/org/apache/catalina/servlets/TestDefaultServlet.java
index b67cc32..dca67ff 100644
--- a/test/org/apache/catalina/servlets/TestDefaultServlet.java
+++ b/test/org/apache/catalina/servlets/TestDefaultServlet.java
@@ -636,10 +636,11 @@
         String length = resHeaders.get("Content-Length").get(0);
         Assert.assertEquals(Long.parseLong(length), out.getLength());
         out.recycle();
+        resHeaders.clear();
 
         rc = headUrl(path, out, resHeaders);
         Assert.assertEquals(HttpServletResponse.SC_OK, rc);
         Assert.assertEquals(0, out.getLength());
-        Assert.assertEquals(length, resHeaders.get("Content-Length").get(0));
+        Assert.assertNull(resHeaders.get("Content-Length"));
     }
 }