diff --git a/configs/rock64-rk3328_defconfig b/configs/rock64-rk3328_defconfig
index 3ab0af1..60a0d14 100644
--- a/configs/rock64-rk3328_defconfig
+++ b/configs/rock64-rk3328_defconfig
@@ -88,6 +88,7 @@
 CONFIG_USB_OHCI_GENERIC=y
 CONFIG_USB_DWC2=y
 CONFIG_USB_DWC3=y
+# CONFIG_USB_DWC3_GADGET is not set
 CONFIG_USB_GADGET=y
 CONFIG_USB_GADGET_MANUFACTURER="Rockchip"
 CONFIG_USB_GADGET_VENDOR_NUM=0x2207