diff --git a/libsrc/include/nginterface_v2.hpp b/libsrc/include/nginterface_v2.hpp
index 0c5c571b..f825080f 100644
--- a/libsrc/include/nginterface_v2.hpp
+++ b/libsrc/include/nginterface_v2.hpp
@@ -146,7 +146,7 @@ namespace netgen
 
 
 
-  DLL_HEADER class Ngx_Mesh
+  class DLL_HEADER Ngx_Mesh
   {
   private:
     class Mesh * mesh;