diff --git a/ports/nrf/Makefile b/ports/nrf/Makefile
index 25b8c03d1a..d022892641 100644
--- a/ports/nrf/Makefile
+++ b/ports/nrf/Makefile
@@ -232,6 +232,7 @@ SRC_LIB += $(addprefix shared/,\
 	runtime/pyexec.c \
 	runtime/sys_stdio_mphal.c \
 	runtime/interrupt_char.c \
+	runtime/tinyusb_helpers.c \
 	timeutils/timeutils.c \
 	)
 
diff --git a/ports/nrf/mpconfigport.h b/ports/nrf/mpconfigport.h
index 102be3eaaf..243c30809a 100644
--- a/ports/nrf/mpconfigport.h
+++ b/ports/nrf/mpconfigport.h
@@ -157,6 +157,10 @@
 #define MICROPY_MODULE_WEAK_LINKS   (1)
 #define MICROPY_CAN_OVERRIDE_BUILTINS (1)
 #define MICROPY_USE_INTERNAL_ERRNO  (1)
+#if MICROPY_HW_USB_CDC_1200BPS_TOUCH
+#define MICROPY_ENABLE_SCHEDULER    (1)
+#define MICROPY_SCHEDULER_STATIC_NODES (1)
+#endif
 #define MICROPY_PY_FUNCTION_ATTRS   (1)
 #define MICROPY_PY_BUILTINS_STR_UNICODE (1)
 #define MICROPY_PY_BUILTINS_MEMORYVIEW (1)