diff --git a/source/mijin/util/winundef.hpp b/source/mijin/util/winundef.hpp
index f72ccf4..9a155cb 100644
--- a/source/mijin/util/winundef.hpp
+++ b/source/mijin/util/winundef.hpp
@@ -14,3 +14,11 @@
 #if defined(IGNORE)
 #undef IGNORE
 #endif
+
+#if defined(ABSOLUTE)
+#undef ABSOLUTE
+#endif
+
+#if defined(RELATIVE)
+#undef RELATIVE
+#endif