diff --git a/kernel/ps4_libkernel.pas b/kernel/ps4_libkernel.pas
index 4da3af77..290df379 100644
--- a/kernel/ps4_libkernel.pas
+++ b/kernel/ps4_libkernel.pas
@@ -1234,7 +1234,9 @@ begin
  lib^.set_proc($DEAC603387B31130,@ps4_scePthreadAttrSetaffinity);
  lib^.set_proc($F3EB39073663C528,@ps4_scePthreadAttrGetaffinity);
 
+ lib^.set_proc($24D91556C54398E9,@ps4_pthread_attr_getguardsize);
  lib^.set_proc($B711ED9E027E7B27,@ps4_scePthreadAttrGetguardsize);
+
  lib^.set_proc($46EDFA7E24ED2730,@ps4_scePthreadAttrGetstackaddr);
 
  lib^.set_proc($D2A3AD091FD91DC9,@ps4_pthread_attr_getstacksize);
diff --git a/kernel/ps4_pthread_attr.pas b/kernel/ps4_pthread_attr.pas
index fe6ca617..b23cbc51 100644
--- a/kernel/ps4_pthread_attr.pas
+++ b/kernel/ps4_pthread_attr.pas
@@ -60,7 +60,9 @@ function  ps4_scePthreadAttrSetinheritsched(pAttr:p_pthread_attr_t;sched_inherit
 function  ps4_scePthreadAttrSetaffinity(pAttr:p_pthread_attr_t;mask:QWORD):Integer; SysV_ABI_CDecl;
 function  ps4_scePthreadAttrGetaffinity(pAttr:p_pthread_attr_t;mask:PQWORD):Integer; SysV_ABI_CDecl;
 
+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_scePthreadAttrGetstackaddr(pAttr:p_pthread_attr_t;stackAddr:PPointer):Integer; SysV_ABI_CDecl;
 
 function  ps4_pthread_attr_getstacksize(pAttr:p_pthread_attr_t;stackSize:PQWORD):Integer; SysV_ABI_CDecl;
@@ -259,14 +261,19 @@ begin
  Result:=0;
 end;
 
-function ps4_scePthreadAttrGetguardsize(pAttr:p_pthread_attr_t;guardSize:PQWORD):Integer; SysV_ABI_CDecl;
+function ps4_pthread_attr_getguardsize(pAttr:p_pthread_attr_t;guardSize:PQWORD):Integer; SysV_ABI_CDecl;
 begin
- if (pAttr=nil) or (guardSize=nil) then Exit(SCE_KERNEL_ERROR_EINVAL);
- if (pAttr^=nil) then Exit(SCE_KERNEL_ERROR_EINVAL);
+ if (pAttr=nil) or (guardSize=nil) then Exit(EINVAL);
+ if (pAttr^=nil) then Exit(EINVAL);
  guardSize^:=pAttr^^.guardsize_attr;
  Result:=0;
 end;
 
+function ps4_scePthreadAttrGetguardsize(pAttr:p_pthread_attr_t;guardSize:PQWORD):Integer; SysV_ABI_CDecl;
+begin
+ Result:=px2sce(ps4_pthread_attr_getguardsize(pAttr,guardSize));
+end;
+
 function ps4_scePthreadAttrGetstackaddr(pAttr:p_pthread_attr_t;stackAddr:PPointer):Integer; SysV_ABI_CDecl;
 begin
  if (pAttr=nil) or (stackAddr=nil) then Exit(SCE_KERNEL_ERROR_EINVAL);