diff --git a/qdlt/export_rules.h b/qdlt/export_rules.h
index 37da2622..fcd6bb6b 100644
--- a/qdlt/export_rules.h
+++ b/qdlt/export_rules.h
@@ -1,3 +1,7 @@
+#if defined (__WIN32__) || defined(_MSC_VER)
+#include <QtGlobal>
+#endif
+
 #ifndef EXPORT_RULES_H
 #define EXPORT_RULES_H