diff --git a/include/common.h b/include/common.h
index 38912bc..d68da16 100644
--- a/include/common.h
+++ b/include/common.h
@@ -177,7 +177,6 @@ extern void romCopy(u32 devAddr, void* dramAddr, u32 size, s32 direction);
 extern void romCopy_512(void* src, void* dst, u32 len);
 extern void __calls_romCopy_8009DA50(void* src, void* dst, u32 len);
 
-extern void __set_black();
 extern void __calls_osViBlack(bool black);
 
 extern void __osViSwapBuffer_3(void** buffers);
diff --git a/linker_scripts/symbols/addr.txt b/linker_scripts/symbols/addr.txt
index 1ece386..62b47f0 100644
--- a/linker_scripts/symbols/addr.txt
+++ b/linker_scripts/symbols/addr.txt
@@ -50,6 +50,7 @@ nuGfxTaskStart = 0x80089804; // rom:0x19C04
 nuGfxTaskAllEndWait = 0x80089A10;
 nuGfxTaskMgr = 0x80089540;
 nuGfxFuncSet = 0x80089990;
+nuGfxDisplayOff = 0x80089BC0;
 
 
 obCurrentTime = 0x800C47D0;
@@ -727,7 +728,6 @@ osEPiRawStartDma = 0x8008BA50;
 
 __SCREEN_IS_NOT_BLACK = 0x800C4BD8;
 __calls_osViBlack = 0x80089BE4;
-__set_black = 0x80089BC0;
 
 __MAIN_START_BUT_CHECK = 0x800E79B0; // size:0x14
 __MAIN_START_BUT_STATE = 0x800E8214;
diff --git a/src/black.c b/src/black.c
index bb41504..6f9b740 100644
--- a/src/black.c
+++ b/src/black.c
@@ -1,7 +1,9 @@
 #include "common.h"
 
+#include "nu/nusys.h"
+
 /* 19FC0 80089BC0 */
-void __set_black() {
+void nuGfxDisplayOff() {
     __SCREEN_IS_NOT_BLACK = 0;
     __calls_osViBlack(true);
 }