diff --git a/firmware/export/config/sansaclipplus.h b/firmware/export/config/sansaclipplus.h
index 8a0a040..0d53774 100644
--- a/firmware/export/config/sansaclipplus.h
+++ b/firmware/export/config/sansaclipplus.h
@@ -179,8 +179,8 @@
 
 /* enable these for the experimental usb stack */
 #define HAVE_USBSTACK
-#define USB_HANDLED_BY_OF
-//#define USE_ROCKBOX_USB
+//#define USB_HANDLED_BY_OF
+#define USE_ROCKBOX_USB
 #define USB_VENDOR_ID 0x0781
 #define USB_PRODUCT_ID 0x74d1
 
diff --git a/firmware/export/config/sansafuzev2.h b/firmware/export/config/sansafuzev2.h
index b725ab5..086cde4 100644
--- a/firmware/export/config/sansafuzev2.h
+++ b/firmware/export/config/sansafuzev2.h
@@ -193,8 +193,8 @@
 
 /* enable these for the experimental usb stack */
 #define HAVE_USBSTACK
-#define USB_HANDLED_BY_OF
-//#define USE_ROCKBOX_USB
+//#define USB_HANDLED_BY_OF
+#define USE_ROCKBOX_USB
 #define USB_VENDOR_ID 0x0781
 #define USB_PRODUCT_ID 0x74c3   /* MSC = 0x74c3, MTP = 0x74c2 */