diff --git a/linker_scripts/symbols/addr.txt b/linker_scripts/symbols/addr.txt
index 9d08eb9..8852421 100644
--- a/linker_scripts/symbols/addr.txt
+++ b/linker_scripts/symbols/addr.txt
@@ -25,7 +25,7 @@ rdpstateinit_dl = 0x800A9EF0; // rom:0x3A2F0
 nuGfxDisplay = 0x800C4BD8;
 nuSiMesgQ = 0x800E9B88;
 nuSiMesgBuf = 0x800BBE60;
-siMgrThread = 0x800BBE80;
+siMgrThread = 0x800BBE80; // size:0x1B0
 nuThreadIdle = 0x800AF440;
 nuStackIdle = 0x800B0010;
 nuPiCartHandle = 0x800E7A20;
@@ -46,6 +46,7 @@ nuContPakCompanyCode = 0x800AA010;
 nuContPakGameCode = 0x800AA014;
 nuSiCallBackList = 0x800A9EA0;
 nuGfxTaskEndFunc = 0x800A9E88;
+nuStackSiMgrThread = 0x800BC030;
 
 nuBoot = 0x8007F880;
 nuScCreateScheduler = 0x80088C50; // rom:0x19050
diff --git a/src/nu/nusimgr.c b/src/nu/nusimgr.c
index 8d0391d..6894771 100644
--- a/src/nu/nusimgr.c
+++ b/src/nu/nusimgr.c
@@ -5,6 +5,8 @@
 
 void nuSiMgrThread(void* arg);
 
+extern u64 nuStackSiMgrThread[0x2000 / sizeof(u64)];
+
 /* 1A060 80089C60 */
 u8 nuSiMgrInit(void) {
     u8 pattern;
@@ -15,7 +17,7 @@ u8 nuSiMgrInit(void) {
     
     osContInit(&nuSiMesgQ, &pattern, status);
     
-    osCreateThread(&siMgrThread, 5, nuSiMgrThread, NULL, &nuPiMgrMesgQ, NU_SI_THREAD_PRI);
+    osCreateThread(&siMgrThread, 5, nuSiMgrThread, NULL, nuStackSiMgrThread + 0x2000 / sizeof(u64), NU_SI_THREAD_PRI);
     osStartThread(&siMgrThread);
     
     return pattern;