diff --git a/components/mbedtls/port/dynamic/esp_mbedtls_dynamic_impl.c b/components/mbedtls/port/dynamic/esp_mbedtls_dynamic_impl.c
index fb9c93bdcf..a5ea9fb337 100644
--- a/components/mbedtls/port/dynamic/esp_mbedtls_dynamic_impl.c
+++ b/components/mbedtls/port/dynamic/esp_mbedtls_dynamic_impl.c
@@ -474,8 +474,8 @@ void esp_mbedtls_free_dhm(mbedtls_ssl_context *ssl)
 {
 #ifdef CONFIG_MBEDTLS_DHM_C
     const mbedtls_ssl_config *conf = mbedtls_ssl_context_get_config(ssl);
-    mbedtls_mpi_free((mbedtls_mpi *)conf->MBEDTLS_PRIVATE(dhm_P));
-    mbedtls_mpi_free((mbedtls_mpi *)conf->MBEDTLS_PRIVATE(dhm_G));
+    mbedtls_mpi_free((mbedtls_mpi *)&conf->MBEDTLS_PRIVATE(dhm_P));
+    mbedtls_mpi_free((mbedtls_mpi *)&conf->MBEDTLS_PRIVATE(dhm_G));
 #endif /* CONFIG_MBEDTLS_DHM_C */
 }