diff --git a/examples/device/nrf52840/src/main.c b/examples/device/nrf52840/src/main.c
index 1993109b4..04d07f0a6 100644
--- a/examples/device/nrf52840/src/main.c
+++ b/examples/device/nrf52840/src/main.c
@@ -56,6 +56,7 @@
 void print_greeting(void);
 void led_blinking_task(void);
 void virtual_com_task(void);
+void usb_hid_task(void);
 
 /*------------- MAIN -------------*/
 int main(void)
@@ -71,6 +72,8 @@ int main(void)
 
     led_blinking_task();
     virtual_com_task();
+
+    usb_hid_task();
   }
 
   return 0;
diff --git a/src/class/hid/hid_device.c b/src/class/hid/hid_device.c
index f2d89250c..325485425 100644
--- a/src/class/hid/hid_device.c
+++ b/src/class/hid/hid_device.c
@@ -163,7 +163,7 @@ bool tud_hid_keyboard_send_string(const char* str, uint32_t interval_ms)
 // MOUSE APPLICATION API
 //--------------------------------------------------------------------+
 #if CFG_TUD_HID_MOUSE
-bool tud_hid_mouse_is_busy(void)
+bool tud_hid_mouse_busy(void)
 {
   return dcd_edpt_busy(TUD_OPT_RHPORT, _mse_itf.ep_in);
 }