diff --git a/os/hal/include/hal_mac.h b/os/hal/include/hal_mac.h
index a1bd37a15..ccc813a6a 100644
--- a/os/hal/include/hal_mac.h
+++ b/os/hal/include/hal_mac.h
@@ -113,10 +113,6 @@ typedef enum {
  *          architecture dependent, fields.
  */
 struct hal_mac_config {
-  /**
-   * @brief   MAC address.
-   */
-  uint8_t               *mac_address;
   mac_lld_config_fields;
 #if defined(MAC_CONFIG_EXT_FIELDS)
   MAC_CONFIG_EXT_FIELDS
diff --git a/os/hal/ports/STM32/LLD/MACv1/hal_mac_lld.h b/os/hal/ports/STM32/LLD/MACv1/hal_mac_lld.h
index 1fb1365bb..9d2823cb7 100644
--- a/os/hal/ports/STM32/LLD/MACv1/hal_mac_lld.h
+++ b/os/hal/ports/STM32/LLD/MACv1/hal_mac_lld.h
@@ -234,7 +234,9 @@ typedef struct {
 /**
  * @brief   Low level fields of the MAC configuration structure.
  */
-#define mac_lld_config_fields
+#define mac_lld_config_fields                                               \
+  /* MAC address.*/                                                         \
+  uint8_t                       *mac_address
 
 /**
  * @brief   Low level fields of the MAC transmit descriptor structure.
diff --git a/os/hal/ports/STM32/LLD/MACv2/hal_mac_lld.h b/os/hal/ports/STM32/LLD/MACv2/hal_mac_lld.h
index a88706fc9..92538e9c5 100644
--- a/os/hal/ports/STM32/LLD/MACv2/hal_mac_lld.h
+++ b/os/hal/ports/STM32/LLD/MACv2/hal_mac_lld.h
@@ -250,7 +250,9 @@ typedef struct {
 /**
  * @brief   Low level fields of the MAC configuration structure.
  */
-#define mac_lld_config_fields
+#define mac_lld_config_fields                                               \
+  /* MAC address.*/                                                         \
+  uint8_t                       *mac_address
 
 /**
  * @brief   Low level fields of the MAC transmit descriptor structure.