diff --git a/ssl/test/runner/common.go b/ssl/test/runner/common.go
index d1b7db7..207de0c 100644
--- a/ssl/test/runner/common.go
+++ b/ssl/test/runner/common.go
@@ -723,6 +723,10 @@
 
 	// EnableAllCiphersInDTLS, if true, causes RC4 to be enabled in DTLS.
 	EnableAllCiphersInDTLS bool
+
+	// EmptyCertificateList, if true, causes the server to send an empty
+	// certificate list in the Certificate message.
+	EmptyCertificateList bool
 }
 
 func (c *Config) serverInit() {
diff --git a/ssl/test/runner/handshake_server.go b/ssl/test/runner/handshake_server.go
index 85cc0d2..220e30c 100644
--- a/ssl/test/runner/handshake_server.go
+++ b/ssl/test/runner/handshake_server.go
@@ -516,7 +516,9 @@
 
 	if !isPSK {
 		certMsg := new(certificateMsg)
-		certMsg.certificates = hs.cert.Certificate
+		if !config.Bugs.EmptyCertificateList {
+			certMsg.certificates = hs.cert.Certificate
+		}
 		if !config.Bugs.UnauthenticatedECDH {
 			certMsgBytes := certMsg.marshal()
 			if config.Bugs.WrongCertificateMessageType {
diff --git a/ssl/test/runner/runner.go b/ssl/test/runner/runner.go
index d17b048..1904a4d 100644
--- a/ssl/test/runner/runner.go
+++ b/ssl/test/runner/runner.go
@@ -690,6 +690,17 @@
 		expectedError: ":WRONG_CERTIFICATE_TYPE:",
 	},
 	{
+		name: "EmptyCertificateList",
+		config: Config{
+			CipherSuites: []uint16{TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256},
+			Bugs: ProtocolBugs{
+				EmptyCertificateList: true,
+			},
+		},
+		shouldFail:    true,
+		expectedError: ":DECODE_ERROR:",
+	},
+	{
 		name:             "TLSFatalBadPackets",
 		damageFirstWrite: true,
 		shouldFail:       true,