diff --git a/src/libs/vdxf/libdxfrw/libdxfrw.h b/src/libs/vdxf/libdxfrw/libdxfrw.h
index 0454adcaa..0d0e9ccb8 100644
--- a/src/libs/vdxf/libdxfrw/libdxfrw.h
+++ b/src/libs/vdxf/libdxfrw/libdxfrw.h
@@ -19,6 +19,9 @@
 #include "drw_header.h"
 #include "drw_interface.h"
 
+#ifdef Q_CC_MSVC
+    #include <ciso646>
+#endif /* Q_CC_MSVC */
 
 class dxfReader;
 class dxfWriter;