diff --git a/handler/src/main/java/io/netty/handler/ssl/OpenSslX509TrustManagerWrapper.java b/handler/src/main/java/io/netty/handler/ssl/OpenSslX509TrustManagerWrapper.java
index c888e73c8c..08a4e26759 100644
--- a/handler/src/main/java/io/netty/handler/ssl/OpenSslX509TrustManagerWrapper.java
+++ b/handler/src/main/java/io/netty/handler/ssl/OpenSslX509TrustManagerWrapper.java
@@ -66,11 +66,13 @@ final class OpenSslX509TrustManagerWrapper {
                             @Override
                             public void checkClientTrusted(X509Certificate[] x509Certificates, String s)
                                     throws CertificateException {
+                                throw new CertificateException();
                             }
 
                             @Override
                             public void checkServerTrusted(X509Certificate[] x509Certificates, String s)
                                     throws CertificateException {
+                                throw new CertificateException();
                             }
 
                             @Override