diff --git a/simpleclient_httpserver/src/test/java/io/prometheus/client/exporter/TestHTTPServer.java b/simpleclient_httpserver/src/test/java/io/prometheus/client/exporter/TestHTTPServer.java
index 1a49b0f95..3b5040d6c 100644
--- a/simpleclient_httpserver/src/test/java/io/prometheus/client/exporter/TestHTTPServer.java
+++ b/simpleclient_httpserver/src/test/java/io/prometheus/client/exporter/TestHTTPServer.java
@@ -65,15 +65,11 @@ String requestWithCompression(String context, String suffix) throws IOException
     return s.hasNext() ? s.next() : "";
   }
 
-  @Test
-  public void testUnbound() throws IOException {
+  @Test(expected = IllegalArgumentException.class)
+  public void testRefuseUsingUnbound() throws IOException {
     CollectorRegistry registry = new CollectorRegistry();
-    try {
-      HTTPServer s = new HTTPServer(HttpServer.create(), registry, true);
-      s.stop();
-      fail("Should refuse to use an unbound HttpServer");
-    } catch (IllegalArgumentException expected) {
-    }
+    HTTPServer s = new HTTPServer(HttpServer.create(), registry, true);
+    s.stop();
   }
 
   @Test