diff --git a/src/mem/util/mem_utils.h b/src/mem/util/mem_utils.h
index e844f7f..a86dd00 100644
--- a/src/mem/util/mem_utils.h
+++ b/src/mem/util/mem_utils.h
@@ -5,6 +5,7 @@
 #include "platform.h"
 
 #if defined(WAPP_PLATFORM_WINDOWS)
+#define WIN32_LEAN_AND_MEAN
 #include <Windows.h>
 #include <memoryapi.h>
 #elif defined(WAPP_PLATFORM_POSIX)