diff --git a/buildroot-external/board/ova/kernel.config b/buildroot-external/board/ova/kernel.config
index 6cde4f3f6..8bff25b2a 100644
--- a/buildroot-external/board/ova/kernel.config
+++ b/buildroot-external/board/ova/kernel.config
@@ -6,6 +6,7 @@ CONFIG_USB_SERIAL_SIMPLE=m
 CONFIG_USB_SERIAL_CP210X=m
 CONFIG_USB_SERIAL_FTDI_SIO=m
 CONFIG_USB_SERIAL_PL2303=m
+CONFIG_USB_ACM=m
 
 CONFIG_VIRTIO=y
 CONFIG_VIRTIO_PCI=y