@@ -85,7 +85,7 @@ lwp_t LWP_GetSelf(void)
 
 void LWP_SetThreadPriority(lwp_t thethread, u32 prio)
 {
-	KThread* t = lwpc_get_thread(thethread);
+	KThread* t = thethread != LWP_THREAD_NULL ? lwpc_get_thread(thethread) : KThreadGetSelf();
 	if (t) {
 		KThreadSetPrio(t, KTHR_MIN_PRIO - (prio & LWP_PRIO_HIGHEST));
 	}
Original file line number	Diff line number	Diff line change
`@@ -85,7 +85,7 @@ lwp_t LWP_GetSelf(void)`
`85`	`85`
`86`	`86`	`void LWP_SetThreadPriority(lwp_t thethread, u32 prio)`
`87`	`87`	`{`
`88`		`- KThread* t = lwpc_get_thread(thethread);`
	`88`	`+ KThread* t = thethread != LWP_THREAD_NULL ? lwpc_get_thread(thethread) : KThreadGetSelf();`
`89`	`89`	`if (t) {`
`90`	`90`	`KThreadSetPrio(t, KTHR_MIN_PRIO - (prio & LWP_PRIO_HIGHEST));`
`91`	`91`	`}`