diff --git a/include/common.h b/include/common.h
index 99fb9c6..397b359 100644
--- a/include/common.h
+++ b/include/common.h
@@ -177,7 +177,6 @@ extern s32 __calls_read_controller_0(s16* arg0);
 extern void func_8008A354();
 extern void func_8008A37C();
 
-extern void func_8008B130(u8*);
 extern void func_8008B1D0(u8*);
 
 extern void func_8008350C();
diff --git a/linker_scripts/symbols/addr.txt b/linker_scripts/symbols/addr.txt
index 92a9246..70ded83 100644
--- a/linker_scripts/symbols/addr.txt
+++ b/linker_scripts/symbols/addr.txt
@@ -71,6 +71,7 @@ nuPiReadRom = 0x80089F80;
 nuContQueryRead = 0x8008A640;
 nuContMgrInit = 0x8008A260;
 nuContDataUnLock = 0x8008A5D0;
+nuSiCallBackAdd = 0x8008B130;
 
 
 obCurrentTime = 0x800C47D0;
diff --git a/src/_ob_dull_silver.c b/src/_ob_dull_silver.c
index ec19b8e..970af1d 100644
--- a/src/_ob_dull_silver.c
+++ b/src/_ob_dull_silver.c
@@ -1,7 +1,9 @@
 #include "common.h"
 
+#include "nu/nusys.h"
+
 void func_8008A6A0(void) {
-    func_8008B130(&D_800AA040);
+    nuSiCallBackAdd(&D_800AA040);
 }
 
 
diff --git a/src/_ob_prized_reading.c b/src/_ob_prized_reading.c
index 1b8d3df..1037060 100644
--- a/src/_ob_prized_reading.c
+++ b/src/_ob_prized_reading.c
@@ -16,7 +16,7 @@ u8 nuContMgrInit(void) {
     nuContDataUnLock();
     osCreateMesgQueue(&MQ_800C4A00, &OSMESG_800BE190, 1);
     osCreateMesgQueue(&MQ_800E9BF0, &OSMESG_800BE194, 1);
-    func_8008B130(&D_800A9FF8);
+    nuSiCallBackAdd(&D_800A9FF8);
     nuContQueryRead();
     
     var_a0 = 1;