diff --git a/libs/temporal/superclock.cc b/libs/temporal/superclock.cc
index 8ec8682ec4..59794fdb99 100644
--- a/libs/temporal/superclock.cc
+++ b/libs/temporal/superclock.cc
@@ -18,7 +18,7 @@
 
 #include "temporal/superclock.h"
 
-#ifndef PLATFORM_WINDOWS
+#ifndef COMPILER_MSVC
 Temporal::superclock_t Temporal::_superclock_ticks_per_second = 0;
 #endif
 
diff --git a/libs/temporal/temporal/superclock.h b/libs/temporal/temporal/superclock.h
index 53376cd6f6..d4a9e4d9d1 100644
--- a/libs/temporal/temporal/superclock.h
+++ b/libs/temporal/temporal/superclock.h
@@ -34,7 +34,7 @@ namespace Temporal {
 
 typedef int64_t superclock_t;
 
-#ifndef PLATFORM_WINDOWS
+#ifndef COMPILER_MSVC
 	extern superclock_t _superclock_ticks_per_second;
 #else
 	static superclock_t _superclock_ticks_per_second = 0;