diff --git a/include/mbedtls/compat-1.3.h b/include/mbedtls/compat-1.3.h
index d2c2612..8c267dc 100644
--- a/include/mbedtls/compat-1.3.h
+++ b/include/mbedtls/compat-1.3.h
@@ -159,8 +159,8 @@
 #if defined MBEDTLS_ECP_DP_BP512R1_ENABLED
 #define POLARSSL_ECP_DP_BP512R1_ENABLED MBEDTLS_ECP_DP_BP512R1_ENABLED
 #endif
-#if defined MBEDTLS_ECP_DP_M255_ENABLED
-#define POLARSSL_ECP_DP_M255_ENABLED MBEDTLS_ECP_DP_M255_ENABLED
+#if defined MBEDTLS_ECP_DP_CURVE25519_ENABLED
+#define POLARSSL_ECP_DP_M255_ENABLED MBEDTLS_ECP_DP_CURVE25519_ENABLED
 #endif
 #if defined MBEDTLS_ECP_DP_SECP192K1_ENABLED
 #define POLARSSL_ECP_DP_SECP192K1_ENABLED MBEDTLS_ECP_DP_SECP192K1_ENABLED
@@ -1042,7 +1042,7 @@
 #define POLARSSL_ECP_DP_BP256R1 MBEDTLS_ECP_DP_BP256R1
 #define POLARSSL_ECP_DP_BP384R1 MBEDTLS_ECP_DP_BP384R1
 #define POLARSSL_ECP_DP_BP512R1 MBEDTLS_ECP_DP_BP512R1
-#define POLARSSL_ECP_DP_M255 MBEDTLS_ECP_DP_M255
+#define POLARSSL_ECP_DP_M255 MBEDTLS_ECP_DP_CURVE25519
 #define POLARSSL_ECP_DP_MAX MBEDTLS_ECP_DP_MAX
 #define POLARSSL_ECP_DP_NONE MBEDTLS_ECP_DP_NONE
 #define POLARSSL_ECP_DP_SECP192K1 MBEDTLS_ECP_DP_SECP192K1