diff --git a/indra/llcommon/llprocessor.cpp b/indra/llcommon/llprocessor.cpp
index e3e1d0c3918c8cdf1c61d2b98305c46d105a2dc8..65b4507e2d7cb4d8b1683db9e92e2f647f67b830 100644
--- a/indra/llcommon/llprocessor.cpp
+++ b/indra/llcommon/llprocessor.cpp
@@ -398,7 +398,7 @@ static F64 calculate_cpu_frequency(U32 measure_msecs)
 	HANDLE hThread = GetCurrentThread();
 	unsigned long dwCurPriorityClass = GetPriorityClass(hProcess);
 	int iCurThreadPriority = GetThreadPriority(hThread);
-	unsigned long dwProcessMask, dwSystemMask, dwNewMask = 1;
+	DWORD_PTR dwProcessMask, dwSystemMask, dwNewMask = 1;
 	GetProcessAffinityMask(hProcess, &dwProcessMask, &dwSystemMask);
 
 	SetPriorityClass(hProcess, REALTIME_PRIORITY_CLASS);
diff --git a/indra/llcommon/llthread.cpp b/indra/llcommon/llthread.cpp
index c3f235c6ee3c78d80e19a38f1093653dcee40721..52255bfaeb58b8eb401193543ba28ecc354a37a8 100644
--- a/indra/llcommon/llthread.cpp
+++ b/indra/llcommon/llthread.cpp
@@ -63,7 +63,7 @@ void set_thread_name( DWORD dwThreadID, const char* threadName)
 
 	__try
 	{
-		::RaiseException( MS_VC_EXCEPTION, 0, sizeof(info)/sizeof(DWORD), (DWORD*)&info );
+		::RaiseException( MS_VC_EXCEPTION, 0, sizeof(info)/sizeof(DWORD), (ULONG_PTR*)&info );
 	}
 	__except(EXCEPTION_CONTINUE_EXECUTION)
 	{