diff --git a/arch/arm/src/stm32h7/stm32_ethernet.c b/arch/arm/src/stm32h7/stm32_ethernet.c
index db001b991ca..76a3b97c74d 100644
--- a/arch/arm/src/stm32h7/stm32_ethernet.c
+++ b/arch/arm/src/stm32h7/stm32_ethernet.c
@@ -5161,6 +5161,10 @@ static inline int stm32_ethinitialize(int intf)
   priv->dev.d_features |= NETDEV_RX_STAMP;
 #endif
 
+#ifdef CONFIG_STM32_ETH_TIMESTAMP_TX
+  priv->dev.d_features |= NETDEV_TX_STAMP;
+#endif
+
   /* Register the device with the OS so that socket IOCTLs can be performed */
 
   netdev_register(&priv->dev, NET_LL_ETHERNET);