diff --git a/sys/Kconfig.stdio b/sys/Kconfig.stdio
index 75d01ae825..d460041cb6 100644
--- a/sys/Kconfig.stdio
+++ b/sys/Kconfig.stdio
@@ -20,6 +20,8 @@ config FORCE_USB_STDIO
 choice STDIO_IMPLEMENTATION
     bool "STDIO implementation"
     default MODULE_STDIO_NATIVE if CPU_ARCH_NATIVE
+    default MODULE_STDIO_CDC_ACM if MODULE_USBUS && REQUIRES_USB_STDIO
+    default MODULE_STDIO_TINYUSB_CDC_ACM if MODULE_TINYUSB_DEVICE && REQUIRES_USB_STDIO
     default MODULE_STDIO_UART
 
 config MODULE_STDIO_RTT