diff --git a/pachyrhynchus-config b/pachyrhynchus-config
index f9f2eba..ade5d85 100644
--- a/pachyrhynchus-config
+++ b/pachyrhynchus-config
@@ -2904,7 +2904,7 @@ CONFIG_USB_UHCI_HCD=m
 #
 # USB Device Class drivers
 #
-# CONFIG_USB_ACM is not set
+CONFIG_USB_ACM=m
 # CONFIG_USB_PRINTER is not set
 # CONFIG_USB_WDM is not set
 # CONFIG_USB_TMC is not set