diff --git a/src/boot.c b/src/boot.c
index 08cd7ae..44bf134 100644
--- a/src/boot.c
+++ b/src/boot.c
@@ -9,7 +9,7 @@ void nuIdle(void* arg);
 
 void nuBoot(void) {
     osInitialize();
-    osCreateThread(&nuThreadIdle, 1, nuIdle, NULL, obStackIdle, 0xA);
+    osCreateThread(&nuThreadIdle, NU_IDLE_THREAD_ID, nuIdle, NULL, obStackIdle, NU_MAIN_THREAD_PRI);
     osStartThread(&nuThreadIdle);
 }
 
@@ -21,10 +21,10 @@ void nuIdle(void* arg) {
 
     osViSetSpecialFeatures(OS_VI_DIVOT_ON | OS_VI_DITHER_FILTER_ON | OS_VI_GAMMA_OFF | OS_VI_GAMMA_DITHER_OFF);
 
-    osCreateThread(&obThreadMain, 3, obMain, NULL, obStackMain, 0xA);
+    osCreateThread(&obThreadMain, NU_MAIN_THREAD_ID, obMain, NULL, obStackMain, NU_MAIN_THREAD_PRI);
     osStartThread(&obThreadMain);
 
-    osSetThreadPri(&nuThreadIdle, OS_PRIORITY_IDLE);
+    osSetThreadPri(&nuThreadIdle, NU_IDLE_THREAD_PRI);
 
     while(1) {
         if (nuIdleFunc != NULL)