diff --git a/tests/Basic/Basic.h b/tests/Basic/Basic.h
index 3ffc3e01..56206c03 100644
--- a/tests/Basic/Basic.h
+++ b/tests/Basic/Basic.h
@@ -1,6 +1,8 @@
 #include "../Tests.h"
 
+#ifdef _WIN32
 #include <vadefs.h>
+#endif
 #include <string>
 
 class DLL_API IgnoredType