diff --git a/libs/lua/LuaBridge/detail/ClassInfo.h b/libs/lua/LuaBridge/detail/ClassInfo.h
index c64637d017..8507591bcf 100644
--- a/libs/lua/LuaBridge/detail/ClassInfo.h
+++ b/libs/lua/LuaBridge/detail/ClassInfo.h
@@ -27,8 +27,12 @@
 //==============================================================================
 
 #ifdef COMPILER_MSVC
+#ifdef LIBARDOUR_DLL_EXPORTS
 # define LuaBridge_API __declspec(dllexport)
 #else
+# define LuaBridge_API __declspec(dllimport)
+#endif
+#else
 # define LuaBridge_API // mingw is sane WRT to static class members
 #endif