diff --git a/crypto/proof_rsa.go b/crypto/proof_rsa.go
index acef70d1..7b1bfd96 100644
--- a/crypto/proof_rsa.go
+++ b/crypto/proof_rsa.go
@@ -56,8 +56,8 @@ func (kd *rsaSigner) SignServerProof(sni string, chlo []byte, serverConfigData [
 	)
 }
 
-// GetCertCompressed gets the certificate in the format described by the QUIC crypto doc
-func (kd *rsaSigner) GetCertCompressed(sni string) ([]byte, error) {
+// GetCertsCompressed gets the certificate in the format described by the QUIC crypto doc
+func (kd *rsaSigner) GetCertsCompressed(sni string) ([]byte, error) {
 	cert, err := kd.getCertForSNI(sni)
 	if err != nil {
 		return nil, err
diff --git a/crypto/proof_rsa_test.go b/crypto/proof_rsa_test.go
index d4340452..7207b60a 100644
--- a/crypto/proof_rsa_test.go
+++ b/crypto/proof_rsa_test.go
@@ -30,7 +30,7 @@ var _ = Describe("ProofRsa", func() {
 				},
 			},
 		}
-		certCompressed, err := kd.GetCertCompressed("")
+		certCompressed, err := kd.GetCertsCompressed("")
 		Expect(err).ToNot(HaveOccurred())
 		Expect(certCompressed).To(Equal(append([]byte{
 			0x01, 0x00,
diff --git a/crypto/signer.go b/crypto/signer.go
index 92d962c9..2243eea7 100644
--- a/crypto/signer.go
+++ b/crypto/signer.go
@@ -3,6 +3,6 @@ package crypto
 // A Signer holds a certificate and a private key
 type Signer interface {
 	SignServerProof(sni string, chlo []byte, serverConfigData []byte) ([]byte, error)
-	GetCertCompressed(sni string) ([]byte, error)
+	GetCertsCompressed(sni string) ([]byte, error)
 	GetLeafCert(sni string) ([]byte, error)
 }
diff --git a/handshake/crypto_setup.go b/handshake/crypto_setup.go
index 23c06161..98232d60 100644
--- a/handshake/crypto_setup.go
+++ b/handshake/crypto_setup.go
@@ -175,7 +175,7 @@ func (h *CryptoSetup) handleInchoateCHLO(sni string, data []byte) ([]byte, error
 		return nil, err
 	}
 
-	certCompressed, err := h.scfg.GetCertCompressed(sni)
+	certCompressed, err := h.scfg.GetCertsCompressed(sni)
 	if err != nil {
 		return nil, err
 	}
diff --git a/handshake/crypto_setup_test.go b/handshake/crypto_setup_test.go
index 59901f99..0d27ae75 100644
--- a/handshake/crypto_setup_test.go
+++ b/handshake/crypto_setup_test.go
@@ -39,7 +39,7 @@ func (s *mockSigner) SignServerProof(sni string, chlo []byte, serverConfigData [
 	}
 	return []byte("proof"), nil
 }
-func (*mockSigner) GetCertCompressed(sni string) ([]byte, error) {
+func (*mockSigner) GetCertsCompressed(sni string) ([]byte, error) {
 	return []byte("certcompressed"), nil
 }
 func (*mockSigner) GetLeafCert(sni string) ([]byte, error) {
diff --git a/handshake/server_config.go b/handshake/server_config.go
index 51741ea1..157151d4 100644
--- a/handshake/server_config.go
+++ b/handshake/server_config.go
@@ -49,7 +49,7 @@ func (s *ServerConfig) Sign(sni string, chlo []byte) ([]byte, error) {
 	return s.signer.SignServerProof(sni, chlo, s.Get())
 }
 
-// GetCertCompressed returns the certificate data
-func (s *ServerConfig) GetCertCompressed(sni string) ([]byte, error) {
-	return s.signer.GetCertCompressed(sni)
+// GetCertsCompressed returns the certificate data
+func (s *ServerConfig) GetCertsCompressed(sni string) ([]byte, error) {
+	return s.signer.GetCertsCompressed(sni)
 }