diff --git a/tinyusb/device/usbd.c b/tinyusb/device/usbd.c
index 7fa73edbc..9fe6a5446 100644
--- a/tinyusb/device/usbd.c
+++ b/tinyusb/device/usbd.c
@@ -169,6 +169,8 @@ typedef struct ATTR_ALIGNED(4)
 
 VERIFY_STATIC(sizeof(usbd_task_event_t) <= 12, "size is not correct");
 
+OSAL_TASK_DEF(_usbd_task_def, "usbd", usbd_task, CFG_TUD_TASK_PRIO, CFG_TUD_TASK_STACKSIZE);
+
 /*------------- event queue -------------*/
 OSAL_QUEUE_DEF(_usbd_qdef, USBD_TASK_QUEUE_DEPTH, usbd_task_event_t);
 static osal_queue_t _usbd_q;
@@ -220,7 +222,7 @@ tusb_error_t usbd_init (void)
   _usbd_ctrl_sem = osal_semaphore_create(&_usbd_sem_def);
   VERIFY(_usbd_q, TUSB_ERROR_OSAL_SEMAPHORE_FAILED);
 
-  osal_task_create(usbd_task, "usbd", CFG_TUD_TASK_STACKSIZE, NULL, CFG_TUD_TASK_PRIO);
+  osal_task_create(&_usbd_task_def);
 
   //------------- Core init -------------//
   arrclr_( _usbd_descs );
diff --git a/tinyusb/osal/osal_none.h b/tinyusb/osal/osal_none.h
index 575a2229a..5b13fcbfa 100644
--- a/tinyusb/osal/osal_none.h
+++ b/tinyusb/osal/osal_none.h
@@ -65,13 +65,15 @@
 //
 // NOTE: no switch statement is allowed in Task and subtask
 //--------------------------------------------------------------------+
-typedef void (*osal_func_t)(void *param);
+#define OSAL_TASK_DEF(_name, _str, _func, _prio, _stack_sz)  osal_task_def_t _name;
+
+typedef uint8_t osal_task_def_t;
 typedef void* osal_task_t;
 
-static inline osal_task_t osal_task_create(osal_func_t code, const char* name, uint32_t stack_size, void* param, uint32_t prio)
+static inline osal_task_t osal_task_create(osal_task_def_t* taskdef)
 {
-  (void) code; (void) name; (void) stack_size; (void) param; (void) prio;
-  return (osal_task_t) 1;
+  (void) taskdef;
+  return (osal_task_t) 1; // return non zero
 }
 
 #define TASK_RESTART                             \