diff --git a/kernel/ps4_libkernel.pas b/kernel/ps4_libkernel.pas
index f86487b4..0d8ab989 100644
--- a/kernel/ps4_libkernel.pas
+++ b/kernel/ps4_libkernel.pas
@@ -1237,6 +1237,9 @@ begin
  lib^.set_proc($24D91556C54398E9,@ps4_pthread_attr_getguardsize);
  lib^.set_proc($B711ED9E027E7B27,@ps4_scePthreadAttrGetguardsize);
 
+ lib^.set_proc($B2E0AB11BAF4C484,@ps4_pthread_attr_setstackaddr);
+ lib^.set_proc($17EC9F99DB88041F,@ps4_scePthreadAttrSetstackaddr);
+
  lib^.set_proc($0F198831443FC176,@ps4_pthread_attr_getstackaddr);
  lib^.set_proc($46EDFA7E24ED2730,@ps4_scePthreadAttrGetstackaddr);
 
diff --git a/kernel/ps4_pthread_attr.pas b/kernel/ps4_pthread_attr.pas
index 8cb2f766..64a2e3d6 100644
--- a/kernel/ps4_pthread_attr.pas
+++ b/kernel/ps4_pthread_attr.pas
@@ -63,6 +63,9 @@ function  ps4_scePthreadAttrGetaffinity(pAttr:p_pthread_attr_t;mask:PQWORD):Inte
 function  ps4_pthread_attr_getguardsize(pAttr:p_pthread_attr_t;guardSize:PQWORD):Integer; SysV_ABI_CDecl;
 function  ps4_scePthreadAttrGetguardsize(pAttr:p_pthread_attr_t;guardSize:PQWORD):Integer; SysV_ABI_CDecl;
 
+function  ps4_pthread_attr_setstackaddr(pAttr:p_pthread_attr_t;stackAddr:Pointer):Integer; SysV_ABI_CDecl;
+function  ps4_scePthreadAttrSetstackaddr(pAttr:p_pthread_attr_t;stackAddr:Pointer):Integer; SysV_ABI_CDecl;
+
 function  ps4_pthread_attr_getstackaddr(pAttr:p_pthread_attr_t;stackAddr:PPointer):Integer; SysV_ABI_CDecl;
 function  ps4_scePthreadAttrGetstackaddr(pAttr:p_pthread_attr_t;stackAddr:PPointer):Integer; SysV_ABI_CDecl;
 
@@ -276,6 +279,19 @@ begin
  Result:=px2sce(ps4_pthread_attr_getguardsize(pAttr,guardSize));
 end;
 
+function ps4_pthread_attr_setstackaddr(pAttr:p_pthread_attr_t;stackAddr:Pointer):Integer; SysV_ABI_CDecl;
+begin
+ if (pAttr=nil) or (stackAddr=nil) then Exit(EINVAL);
+ if (pAttr^=nil) then Exit(EINVAL);
+ pAttr^^.stackaddr_attr:=stackAddr;
+ Result:=0;
+end;
+
+function ps4_scePthreadAttrSetstackaddr(pAttr:p_pthread_attr_t;stackAddr:Pointer):Integer; SysV_ABI_CDecl;
+begin
+ Result:=px2sce(ps4_pthread_attr_setstackaddr(pAttr,stackAddr));
+end;
+
 function ps4_pthread_attr_getstackaddr(pAttr:p_pthread_attr_t;stackAddr:PPointer):Integer; SysV_ABI_CDecl;
 begin
  if (pAttr=nil) or (stackAddr=nil) then Exit(EINVAL);