diff --git a/kernel/ps4_pthread.pas b/kernel/ps4_pthread.pas
index 2bbff0ec..21c10acc 100644
--- a/kernel/ps4_pthread.pas
+++ b/kernel/ps4_pthread.pas
@@ -838,14 +838,14 @@ const
   {20}  THREAD_PRIORITY_ABOVE_NORMAL , //  1
   {21}  THREAD_PRIORITY_ABOVE_NORMAL , //  1
   {22}  THREAD_PRIORITY_ABOVE_NORMAL , //  1
-  {23}  THREAD_PRIORITY_HIGHEST      , //  2
-  {24}  THREAD_PRIORITY_HIGHEST      , //  2
-  {25}  THREAD_PRIORITY_HIGHEST      , //  2
-  {26}  THREAD_PRIORITY_HIGHEST      , //  2
-  {27}  THREAD_PRIORITY_HIGHEST      , //  2
-  {28}  THREAD_PRIORITY_TIME_CRITICAL, // 15
-  {29}  THREAD_PRIORITY_TIME_CRITICAL, // 15
-  {30}  THREAD_PRIORITY_TIME_CRITICAL  // 15
+  {23}  THREAD_PRIORITY_ABOVE_NORMAL , //  2
+  {24}  THREAD_PRIORITY_ABOVE_NORMAL , //  2
+  {25}  THREAD_PRIORITY_ABOVE_NORMAL , //  2
+  {26}  THREAD_PRIORITY_ABOVE_NORMAL , //  2
+  {27}  THREAD_PRIORITY_ABOVE_NORMAL , //  2
+  {28}  THREAD_PRIORITY_ABOVE_NORMAL , // 15
+  {29}  THREAD_PRIORITY_ABOVE_NORMAL , // 15
+  {30}  THREAD_PRIORITY_ABOVE_NORMAL   // 15
  );
 
 //ThreadGetPriority = -15 and 15. :0..30