diff --git a/kernel/ps4_libkernel.pas b/kernel/ps4_libkernel.pas
index 7096aa81..5098b34e 100644
--- a/kernel/ps4_libkernel.pas
+++ b/kernel/ps4_libkernel.pas
@@ -1256,6 +1256,8 @@ begin
  lib^.set_proc($108FF9FE396AD9D1,@ps4_scePthreadGetthreadid);
 
  lib^.set_proc($1E8C3B07C39EB7A9,@ps4_scePthreadGetname);
+
+ lib^.set_proc($F6FC8FE99EDBAB37,@ps4_pthread_rename_np);
  lib^.set_proc($181518EF2C1D50B1,@ps4_scePthreadRename);
 
  lib^.set_proc($6EDDC24C12A61B22,@ps4_scePthreadSetaffinity);
diff --git a/kernel/ps4_pthread.pas b/kernel/ps4_pthread.pas
index 3ab51c21..08fd0c87 100644
--- a/kernel/ps4_pthread.pas
+++ b/kernel/ps4_pthread.pas
@@ -65,6 +65,8 @@ function  ps4_getpid():Integer; SysV_ABI_CDecl;
 function  ps4_scePthreadGetthreadid():Integer; SysV_ABI_CDecl;
 
 function  ps4_scePthreadGetname(_pthread:pthread;name:Pchar):Integer; SysV_ABI_CDecl;
+
+function  ps4_pthread_rename_np(_pthread:pthread;name:Pchar):Integer; SysV_ABI_CDecl;
 function  ps4_scePthreadRename(_pthread:pthread;name:Pchar):Integer; SysV_ABI_CDecl;
 
 function  ps4_scePthreadSetaffinity(_pthread:pthread;mask:QWORD):Integer; SysV_ABI_CDecl;
@@ -785,13 +787,18 @@ begin
  Result:=0;
 end;
 
-function ps4_scePthreadRename(_pthread:pthread;name:Pchar):Integer; SysV_ABI_CDecl;
+function ps4_pthread_rename_np(_pthread:pthread;name:Pchar):Integer; SysV_ABI_CDecl;
 begin
- if (_pthread=nil) or (name=nil) then Exit(SCE_KERNEL_ERROR_EINVAL);
+ if (_pthread=nil) or (name=nil) then Exit(EINVAL);
  MoveChar0(name^,_pthread^.name,32);
  Result:=0;
 end;
 
+function ps4_scePthreadRename(_pthread:pthread;name:Pchar):Integer; SysV_ABI_CDecl;
+begin
+ Result:=px2sce(ps4_pthread_rename_np(_pthread,name));
+end;
+
 function ps4_scePthreadSetaffinity(_pthread:pthread;mask:QWORD):Integer; SysV_ABI_CDecl;
 begin
  if (_pthread=nil) then Exit(SCE_KERNEL_ERROR_ESRCH);