diff --git a/libraries/shared/src/PortableHighResolutionClock.cpp b/libraries/shared/src/PortableHighResolutionClock.cpp
index 7cfb4c61b2..6e096a7ce1 100644
--- a/libraries/shared/src/PortableHighResolutionClock.cpp
+++ b/libraries/shared/src/PortableHighResolutionClock.cpp
@@ -18,7 +18,7 @@ namespace {
         LARGE_INTEGER frequency;
         QueryPerformanceFrequency(&frequency);
         return frequency.QuadPart;
-    }
+    }();
 }
 
 win_high_resolution_clock::time_point win_high_resolution_clock::now() {
diff --git a/libraries/shared/src/PortableHighResolutionClock.h b/libraries/shared/src/PortableHighResolutionClock.h
index e12ef818b7..ec1b068e66 100644
--- a/libraries/shared/src/PortableHighResolutionClock.h
+++ b/libraries/shared/src/PortableHighResolutionClock.h
@@ -23,6 +23,7 @@
 
 #if defined(_MSC_VER) && _MSC_VER < 1900
 
+#define WIN32_LEAN_AND_MEAN
 #include <windows.h>
 
 // The following struct is not compliant with the HF coding standard, but uses underscores to match the classes