diff --git a/BeefLibs/corlib/src/Threading/Thread.bf b/BeefLibs/corlib/src/Threading/Thread.bf
index 8198c23e..b83b2cdd 100644
--- a/BeefLibs/corlib/src/Threading/Thread.bf
+++ b/BeefLibs/corlib/src/Threading/Thread.bf
@@ -11,7 +11,7 @@ namespace System.Threading
     public sealed class Thread
     {
         private int mInternalThread;
-        private int32 mPriority;
+        private ThreadPriority mPriority = .Normal;
         public int32 mMaxStackSize;
         private String mName ~ delete _;
         private Delegate mDelegate;
@@ -67,6 +67,8 @@ namespace System.Threading
 
 				if (thread.mName != null)
 					thread.InformThreadNameChange(thread.mName);
+				if (thread.mPriority != .Normal)
+					thread.SetPriorityNative((.)thread.mPriority);
 
                 int32 stackStart = 0;
                 thread.SetStackStart((void*)&stackStart);
@@ -219,8 +221,18 @@ namespace System.Threading
 
         public ThreadPriority Priority
         {
-            get { return (ThreadPriority)GetPriorityNative(); }
-            set { SetPriorityNative((int32)value); }
+            get
+			{
+				if (mInternalThread != 0)
+					return (ThreadPriority)GetPriorityNative();
+				return mPriority;
+			}
+            set
+			{
+				mPriority = value;
+				if (mInternalThread != 0)
+					SetPriorityNative((int32)value);
+			}
         }
 		[CallingConvention(.Cdecl)]
         private extern int32 GetPriorityNative();
diff --git a/BeefRT/rt/Thread.cpp b/BeefRT/rt/Thread.cpp
index 5cf5dce8..655e71f4 100644
--- a/BeefRT/rt/Thread.cpp
+++ b/BeefRT/rt/Thread.cpp
@@ -53,12 +53,12 @@ void Thread::SetJoinOnDelete(bool joinOnDelete)
 
 int Thread::GetPriorityNative()
 {
-	return (int)BfpThread_GetPriority(GetInternalThread()->mThreadHandle, NULL);
+	return (int)BfpThread_GetPriority(GetInternalThread()->mThreadHandle, NULL) + 2;
 }
 
 void Thread::SetPriorityNative(int priority)
 {
-	return BfpThread_SetPriority(GetInternalThread()->mThreadHandle, (BfpThreadPriority)priority, NULL);	
+	return BfpThread_SetPriority(GetInternalThread()->mThreadHandle, (BfpThreadPriority)(priority - 2), NULL);	
 }
 
 bool Thread::GetIsAlive()