diff --git a/examples/provider/DualProviderFIPSTest.java b/examples/provider/DualProviderFIPSTest.java
index 0dc761a..f0889e1 100644
--- a/examples/provider/DualProviderFIPSTest.java
+++ b/examples/provider/DualProviderFIPSTest.java
@@ -113,6 +113,9 @@ public class DualProviderFIPSTest {
                     (SSLServerSocket)ctx.getServerSocketFactory()
                         .createServerSocket(port)) {
 
+                    /* Require client auth */
+                    ss.setNeedClientAuth(true);
+
                     /* Signal client that server is ready */
                     serverReady.countDown();