diff --git a/configs/Bananapro_defconfig b/configs/Bananapro_defconfig
index 02e4f3e..0512019 100644
--- a/configs/Bananapro_defconfig
+++ b/configs/Bananapro_defconfig
@@ -3,6 +3,7 @@
 CONFIG_FDTFILE="sun7i-a20-bananapro.dtb"
 CONFIG_USB1_VBUS_PIN="PH0"
 CONFIG_USB2_VBUS_PIN="PH1"
+CONFIG_GMAC_TX_DELAY=3
 +S:CONFIG_ARM=y
 +S:CONFIG_ARCH_SUNXI=y
 +S:CONFIG_MACH_SUN7I=y