diff --git a/shared/tinyusb/tusb_config.h b/shared/tinyusb/tusb_config.h
index c5644e3d58..ab47321afd 100644
--- a/shared/tinyusb/tusb_config.h
+++ b/shared/tinyusb/tusb_config.h
@@ -104,7 +104,7 @@
 #define USBD_MAX_POWER_MA (250)
 
 #ifndef MICROPY_HW_USB_DESC_STR_MAX
-#define MICROPY_HW_USB_DESC_STR_MAX (20)
+#define MICROPY_HW_USB_DESC_STR_MAX (40)
 #endif
 
 #if CFG_TUD_CDC