diff --git a/src/edt/edt/edtService.h b/src/edt/edt/edtService.h
index 3b34ffe5a..b6f65ae82 100644
--- a/src/edt/edt/edtService.h
+++ b/src/edt/edt/edtService.h
@@ -74,7 +74,7 @@ std::map<std::string, tl::Variant> pcell_parameters_from_string (const std::stri
 /**
  *  @brief A utility class to implement a selection iterator across all editor services
  */
-class EditableSelectionIterator
+class EDT_PUBLIC EditableSelectionIterator
 {
 public:
   typedef std::set<lay::ObjectInstPath> objects;