diff --git a/TestScripts/C Tests/Test.h b/TestScripts/C Tests/Test.h
index 1a71c38..5c40d40 100644
--- a/TestScripts/C Tests/Test.h	
+++ b/TestScripts/C Tests/Test.h	
@@ -12,7 +12,8 @@
 #ifdef LINUX
 #include <unistd.h>
 #endif
-#ifdef WINDOWS
+#ifdef _WIN32
+#define WIN32_LEAN_AND_MEAN
 #include <windows.h>
 #endif