diff --git a/include/mbedtls/check_config.h b/include/mbedtls/check_config.h
index 8495ef2..6fe6d52 100644
--- a/include/mbedtls/check_config.h
+++ b/include/mbedtls/check_config.h
@@ -150,12 +150,12 @@
 #error "MBEDTLS_GCM_C defined, but not all prerequisites"
 #endif
 
-#if defined(MBEDTLS_ECP_ALT_INIT) && !defined(MBEDTLS_ECP_FUNCTION_ALT)
-#error "MBEDTLS_ECP_ALT_INIT defined, but not all prerequisites"
+#if defined(MBEDTLS_ECP_INIT_ALT) && !defined(MBEDTLS_ECP_FUNCTION_ALT)
+#error "MBEDTLS_ECP_INIT_ALT defined, but not all prerequisites"
 #endif
 
-#if defined(MBEDTLS_ECP_ALT_DEINIT) && !defined(MBEDTLS_ECP_FUNCTION_ALT)
-#error "MBEDTLS_ECP_ALT_DEINIT defined, but not all prerequisites"
+#if defined(MBEDTLS_ECP_DEINIT_ALT) && !defined(MBEDTLS_ECP_FUNCTION_ALT)
+#error "MBEDTLS_ECP_DEINIT_ALT defined, but not all prerequisites"
 #endif
 
 #if defined(MBEDTLS_ECP_RANDOMIZE_JAC_ALT) && !defined(MBEDTLS_ECP_FUNCTION_ALT)