diff --git a/drivers/ethernet/eth_stm32_hal_v1.c b/drivers/ethernet/eth_stm32_hal_v1.c
index 3fa8dfd0a6561..4335195e01537 100644
--- a/drivers/ethernet/eth_stm32_hal_v1.c
+++ b/drivers/ethernet/eth_stm32_hal_v1.c
@@ -239,6 +239,11 @@ void eth_stm32_set_mac_config(const struct device *dev, struct phy_link_state *s
 
 	heth->Init.Speed = PHY_LINK_IS_SPEED_100M(state->speed) ? ETH_SPEED_100M : ETH_SPEED_10M;
 
+	/* The default configuration is ETH_SOURCEADDRESS_REPLACE_ADDR0,
+	 * which is bad for bridging.
+	 */
+	mac_config.SourceAddrControl = ETH_SOURCEADDRESS_DISABLE;
+
 	hal_ret = HAL_ETH_ConfigMAC(heth, NULL);
 	if (hal_ret != HAL_OK) {
 		LOG_ERR("HAL_ETH_ConfigMAC: failed: %d", hal_ret);
diff --git a/drivers/ethernet/eth_stm32_hal_v2.c b/drivers/ethernet/eth_stm32_hal_v2.c
index 018131bf1e616..6a551ebd01ac5 100644
--- a/drivers/ethernet/eth_stm32_hal_v2.c
+++ b/drivers/ethernet/eth_stm32_hal_v2.c
@@ -664,6 +664,11 @@ void eth_stm32_set_mac_config(const struct device *dev, struct phy_link_state *s
 			PHY_LINK_IS_SPEED_1000M(state->speed) ? ETH_SPEED_1000M :)
 		PHY_LINK_IS_SPEED_100M(state->speed) ? ETH_SPEED_100M : ETH_SPEED_10M;
 
+	/* The default configuration is ETH_SOURCEADDRESS_REPLACE_ADDR0,
+	 * which is bad for bridging.
+	 */
+	mac_config.SourceAddrControl = ETH_SOURCEADDRESS_DISABLE;
+
 	hal_ret = HAL_ETH_SetMACConfig(heth, &mac_config);
 	if (hal_ret != HAL_OK) {
 		LOG_ERR("HAL_ETH_SetMACConfig failed: %d", hal_ret);