diff --git a/configs/config-suite-b.h b/configs/config-suite-b.h
index b565653..0be7155 100644
--- a/configs/config-suite-b.h
+++ b/configs/config-suite-b.h
@@ -12,75 +12,75 @@
  * See README.txt for usage instructions.
  */
 
-#ifndef POLARSSL_CONFIG_H
-#define POLARSSL_CONFIG_H
+#ifndef MBEDTLS_CONFIG_H
+#define MBEDTLS_CONFIG_H
 
 /* System support */
-#define POLARSSL_HAVE_ASM
-#define POLARSSL_HAVE_TIME
-#define POLARSSL_HAVE_IPV6
+#define MBEDTLS_HAVE_ASM
+#define MBEDTLS_HAVE_TIME
+#define MBEDTLS_HAVE_IPV6
 
 /* mbed TLS feature support */
-#define POLARSSL_ECP_DP_SECP256R1_ENABLED
-#define POLARSSL_ECP_DP_SECP384R1_ENABLED
-#define POLARSSL_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED
-#define POLARSSL_SSL_PROTO_TLS1_2
+#define MBEDTLS_ECP_DP_SECP256R1_ENABLED
+#define MBEDTLS_ECP_DP_SECP384R1_ENABLED
+#define MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED
+#define MBEDTLS_SSL_PROTO_TLS1_2
 
 /* mbed TLS modules */
-#define POLARSSL_AES_C
-#define POLARSSL_ASN1_PARSE_C
-#define POLARSSL_ASN1_WRITE_C
-#define POLARSSL_BIGNUM_C
-#define POLARSSL_CIPHER_C
-#define POLARSSL_CTR_DRBG_C
-#define POLARSSL_ECDH_C
-#define POLARSSL_ECDSA_C
-#define POLARSSL_ECP_C
-#define POLARSSL_ENTROPY_C
-#define POLARSSL_GCM_C
-#define POLARSSL_MD_C
-#define POLARSSL_NET_C
-#define POLARSSL_OID_C
-#define POLARSSL_PK_C
-#define POLARSSL_PK_PARSE_C
-#define POLARSSL_SHA256_C
-#define POLARSSL_SHA512_C
-#define POLARSSL_SSL_CLI_C
-#define POLARSSL_SSL_SRV_C
-#define POLARSSL_SSL_TLS_C
-#define POLARSSL_X509_CRT_PARSE_C
-#define POLARSSL_X509_USE_C
+#define MBEDTLS_AES_C
+#define MBEDTLS_ASN1_PARSE_C
+#define MBEDTLS_ASN1_WRITE_C
+#define MBEDTLS_BIGNUM_C
+#define MBEDTLS_CIPHER_C
+#define MBEDTLS_CTR_DRBG_C
+#define MBEDTLS_ECDH_C
+#define MBEDTLS_ECDSA_C
+#define MBEDTLS_ECP_C
+#define MBEDTLS_ENTROPY_C
+#define MBEDTLS_GCM_C
+#define MBEDTLS_MD_C
+#define MBEDTLS_NET_C
+#define MBEDTLS_OID_C
+#define MBEDTLS_PK_C
+#define MBEDTLS_PK_PARSE_C
+#define MBEDTLS_SHA256_C
+#define MBEDTLS_SHA512_C
+#define MBEDTLS_SSL_CLI_C
+#define MBEDTLS_SSL_SRV_C
+#define MBEDTLS_SSL_TLS_C
+#define MBEDTLS_X509_CRT_PARSE_C
+#define MBEDTLS_X509_USE_C
 
 /* For test certificates */
-#define POLARSSL_BASE64_C
-#define POLARSSL_CERTS_C
-#define POLARSSL_PEM_PARSE_C
+#define MBEDTLS_BASE64_C
+#define MBEDTLS_CERTS_C
+#define MBEDTLS_PEM_PARSE_C
 
 /* Save RAM at the expense of ROM */
-#define POLARSSL_AES_ROM_TABLES
+#define MBEDTLS_AES_ROM_TABLES
 
 /* Save RAM by adjusting to our exact needs */
-#define POLARSSL_ECP_MAX_BITS   384
-#define POLARSSL_MPI_MAX_SIZE    48 // 384 bits is 48 bytes
+#define MBEDTLS_ECP_MAX_BITS   384
+#define MBEDTLS_MPI_MAX_SIZE    48 // 384 bits is 48 bytes
 
 /* Save RAM at the expense of speed, see ecp.h */
-#define POLARSSL_ECP_WINDOW_SIZE        2
-#define POLARSSL_ECP_FIXED_POINT_OPTIM  0
+#define MBEDTLS_ECP_WINDOW_SIZE        2
+#define MBEDTLS_ECP_FIXED_POINT_OPTIM  0
 
 /* Significant speed benefit at the expense of some ROM */
-#define POLARSSL_ECP_NIST_OPTIM
+#define MBEDTLS_ECP_NIST_OPTIM
 
 /*
  * You should adjust this to the exact number of sources you're using: default
  * is the "platform_entropy_poll" source, but you may want to add other ones.
  * Minimum is 2 for the entropy test suite.
  */
-#define ENTROPY_MAX_SOURCES 2
+#define MBEDTLS_ENTROPY_MAX_SOURCES 2
 
 /* Save ROM and a few bytes of RAM by specifying our own ciphersuite list */
-#define SSL_CIPHERSUITES                        \
-    TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384,    \
-    TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256
+#define MBEDTLS_SSL_CIPHERSUITES                        \
+    MBEDTLS_TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384,    \
+    MBEDTLS_TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256
 
 /*
  * Save RAM at the expense of interoperability: do this only if you control
@@ -88,8 +88,8 @@
  * The minimum size here depends on the certificate chain used as well as the
  * typical size of records.
  */
-#define SSL_MAX_CONTENT_LEN             1024
+#define MBEDTLS_SSL_MAX_CONTENT_LEN             1024
 
 #include "mbedtls/check_config.h"
 
-#endif /* POLARSSL_CONFIG_H */
+#endif /* MBEDTLS_CONFIG_H */