diff --git a/testhal/RP/RP2040/RT-RP2040-PICO-SERIAL/cfg/mcuconf.h b/testhal/RP/RP2040/RT-RP2040-PICO-SERIAL/cfg/mcuconf.h
index c45cde0a..4c22de7b 100644
--- a/testhal/RP/RP2040/RT-RP2040-PICO-SERIAL/cfg/mcuconf.h
+++ b/testhal/RP/RP2040/RT-RP2040-PICO-SERIAL/cfg/mcuconf.h
@@ -75,6 +75,6 @@
  */
 #define RP_USB_USE_USBD1                    TRUE
 #define RP_USB_FORCE_VBUS_DETECT            TRUE
-#define RP_USB_USE_SOF_INTR                 FALSE
+#define RP_USB_USE_SOF_INTR                 TRUE
 
 #endif /* MCUCONF_H */