typo
diff --git a/ssl/ssl.h b/ssl/ssl.h
index 80b3ad1..81c4c2a 100644
--- a/ssl/ssl.h
+++ b/ssl/ssl.h
@@ -1633,10 +1633,10 @@
 
 #define SSL_CTX_add_extra_chain_cert(ctx,x509) \
 	SSL_CTX_ctrl(ctx,SSL_CTRL_EXTRA_CHAIN_CERT,0,(char *)x509)
-#define SSL_CTX_get_extra_chain_cert(ctx,px509) \
-	SSL_CTX_ctrl(ctx,SSL_CTRL_GET_EXTRA_CHAIN_CERT,0,px509)
-#define SSL_CTX_clear_extra_chain_cert(ctx) \
-	SSL_CTX_ctrl(ctx,SSL_CTRL_CLEAR_EXTRA_CHAIN_CERT,0,NULL)
+#define SSL_CTX_get_extra_chain_certs(ctx,px509) \
+	SSL_CTX_ctrl(ctx,SSL_CTRL_GET_EXTRA_CHAIN_CERTS,0,px509)
+#define SSL_CTX_clear_extra_chain_certs(ctx) \
+	SSL_CTX_ctrl(ctx,SSL_CTRL_CLEAR_EXTRA_CHAIN_CERTS,0,NULL)
 
 #ifndef OPENSSL_NO_BIO
 BIO_METHOD *BIO_f_ssl(void);