diff --git a/components/esp_eth/src/esp_eth_phy_lan87xx.c b/components/esp_eth/src/esp_eth_phy_lan87xx.c
index e6465501f0..2f09cba631 100644
--- a/components/esp_eth/src/esp_eth_phy_lan87xx.c
+++ b/components/esp_eth/src/esp_eth_phy_lan87xx.c
@@ -337,7 +337,8 @@ static esp_err_t lan87xx_reset_hw(esp_eth_phy_t *phy)
         esp_rom_gpio_pad_select_gpio(lan87xx->reset_gpio_num);
         gpio_set_direction(lan87xx->reset_gpio_num, GPIO_MODE_OUTPUT);
         gpio_set_level(lan87xx->reset_gpio_num, 0);
-        esp_rom_delay_us(100); // insert min input assert time
+        /* assert nRST signal on LAN87xx a little longer than the minimum specified in datasheet */
+        esp_rom_delay_us(150);
         gpio_set_level(lan87xx->reset_gpio_num, 1);
     }
     return ESP_OK;