diff --git a/ssl/test/runner/common.go b/ssl/test/runner/common.go
index 75fa4b4..4ac7250 100644
--- a/ssl/test/runner/common.go
+++ b/ssl/test/runner/common.go
@@ -597,6 +597,10 @@
 	// still be enforced.
 	NoSignatureAndHashes bool
 
+	// NoSupportedCurves, if true, causes the client to omit the
+	// supported_curves extension.
+	NoSupportedCurves bool
+
 	// RequireSameRenegoClientVersion, if true, causes the server
 	// to require that all ClientHellos match in offered version
 	// across a renego.
diff --git a/ssl/test/runner/handshake_client.go b/ssl/test/runner/handshake_client.go
index d7bec39..0dac05d 100644
--- a/ssl/test/runner/handshake_client.go
+++ b/ssl/test/runner/handshake_client.go
@@ -83,6 +83,10 @@
 		hello.extendedMasterSecret = false
 	}
 
+	if c.config.Bugs.NoSupportedCurves {
+		hello.supportedCurves = nil
+	}
+
 	if len(c.clientVerify) > 0 && !c.config.Bugs.EmptyRenegotiationInfo {
 		if c.config.Bugs.BadRenegotiationInfo {
 			hello.secureRenegotiation = append(hello.secureRenegotiation, c.clientVerify...)
diff --git a/ssl/test/runner/runner.go b/ssl/test/runner/runner.go
index 57aee74..e583428 100644
--- a/ssl/test/runner/runner.go
+++ b/ssl/test/runner/runner.go
@@ -1060,6 +1060,16 @@
 		expectedError:      ":TLSV1_ALERT_ACCESS_DENIED:",
 		expectedLocalError: "tls: peer did not false start: EOF",
 	},
+	{
+		testType: serverTest,
+		name:     "NoSupportedCurves",
+		config: Config{
+			CipherSuites: []uint16{TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256},
+			Bugs: ProtocolBugs{
+				NoSupportedCurves: true,
+			},
+		},
+	},
 }
 
 func doExchange(test *testCase, config *Config, conn net.Conn, messageLen int, isResume bool) error {