diff --git a/ports/nrf/main.c b/ports/nrf/main.c
index 091aa73f45..83466626fc 100644
--- a/ports/nrf/main.c
+++ b/ports/nrf/main.c
@@ -257,16 +257,16 @@ soft_reset:
 
     led_state(1, 0);
 
+    #if MICROPY_HW_USB_CDC
+    usb_cdc_init();
+    #endif
+
     #if MICROPY_VFS || MICROPY_MBFS || MICROPY_MODULE_FROZEN
     // run boot.py and main.py if they exist.
     pyexec_file_if_exists("boot.py");
     pyexec_file_if_exists("main.py");
     #endif
 
-    #if MICROPY_HW_USB_CDC
-    usb_cdc_init();
-    #endif
-
     for (;;) {
         if (pyexec_mode_kind == PYEXEC_MODE_RAW_REPL) {
             if (pyexec_raw_repl() != 0) {