diff --git a/library/constant_time.c b/library/constant_time.c
index 3cdbac266d..79c98c7904 100644
--- a/library/constant_time.c
+++ b/library/constant_time.c
@@ -81,7 +81,7 @@ unsigned mbedtls_ct_uint_mask( unsigned value )
 #endif
 }
 
-#if defined(MBEDTLS_SSL_SOME_SUITES_USE_TLS_CBC)
+#if defined(MBEDTLS_SSL_SOME_SUITES_USE_MAC)
 
 size_t mbedtls_ct_size_mask( size_t value )
 {
@@ -97,7 +97,7 @@ size_t mbedtls_ct_size_mask( size_t value )
 #endif
 }
 
-#endif /* MBEDTLS_SSL_SOME_SUITES_USE_TLS_CBC */
+#endif /* MBEDTLS_SSL_SOME_SUITES_USE_MAC */
 
 #if defined(MBEDTLS_BIGNUM_C)
 
@@ -404,7 +404,7 @@ static void mbedtls_ct_mem_move_to_left( void *start,
 
 #endif /* MBEDTLS_PKCS1_V15 && MBEDTLS_RSA_C && ! MBEDTLS_RSA_ALT */
 
-#if defined(MBEDTLS_SSL_SOME_SUITES_USE_TLS_CBC)
+#if defined(MBEDTLS_SSL_SOME_SUITES_USE_MAC)
 
 void mbedtls_ct_memcpy_if_eq( unsigned char *dest,
                               const unsigned char *src,
@@ -527,7 +527,7 @@ cleanup:
     return( ret );
 }
 
-#endif /* MBEDTLS_SSL_SOME_SUITES_USE_TLS_CBC */
+#endif /* MBEDTLS_SSL_SOME_SUITES_USE_MAC */
 
 #if defined(MBEDTLS_BIGNUM_C)
 
diff --git a/library/constant_time_internal.h b/library/constant_time_internal.h
index a550b38fa5..8874729dba 100644
--- a/library/constant_time_internal.h
+++ b/library/constant_time_internal.h
@@ -196,7 +196,7 @@ signed char mbedtls_ct_base64_dec_value( unsigned char c );
 
 #endif /* MBEDTLS_BASE64_C */
 
-#if defined(MBEDTLS_SSL_SOME_SUITES_USE_TLS_CBC)
+#if defined(MBEDTLS_SSL_SOME_SUITES_USE_MAC)
 
 /** Conditional memcpy without branches.
  *
@@ -292,7 +292,7 @@ int mbedtls_ct_hmac( mbedtls_md_context_t *ctx,
                      size_t max_data_len,
                      unsigned char *output );
 
-#endif /* MBEDTLS_SSL_SOME_SUITES_USE_TLS_CBC */
+#endif /* MBEDTLS_SSL_SOME_SUITES_USE_MAC */
 
 #if defined(MBEDTLS_PKCS1_V15) && defined(MBEDTLS_RSA_C) && !defined(MBEDTLS_RSA_ALT)