diff --git a/src/edt/edt/edtMainService.cc b/src/edt/edt/edtMainService.cc
index 0e54aa364..73957aebd 100644
--- a/src/edt/edt/edtMainService.cc
+++ b/src/edt/edt/edtMainService.cc
@@ -1331,7 +1331,10 @@ MainService::cm_convert_to_pcell ()
     }
 
     if (any_non_converted) {
-      QMessageBox::warning (view ()->widget (), tr ("Warning"), tr ("Some of the shapes could not be converted to the desired PCell"));
+      tl::warn << tl::to_string (tr ("Some of the shapes could not be converted to the desired PCell"));
+#if defined(HAVE_QT)
+      QMessageBox::warning (view (), tr ("Warning"), tr ("Some of the shapes could not be converted to the desired PCell"));
+#endif
     }
 
     manager ()->commit ();
diff --git a/src/laybasic/laybasic/layEditorServiceBase.cc b/src/laybasic/laybasic/layEditorServiceBase.cc
index 74a751b8b..55b9c44f2 100644
--- a/src/laybasic/laybasic/layEditorServiceBase.cc
+++ b/src/laybasic/laybasic/layEditorServiceBase.cc
@@ -307,7 +307,7 @@ EditorServiceBase::show_error (tl::Exception &ex)
 {
   tl::error << ex.msg ();
 #if defined(HAVE_QT)
-  QMessageBox::critical (0, tr ("Error"), tl::to_qstring (ex.msg ()));
+  QMessageBox::critical (widget (), tr ("Error"), tl::to_qstring (ex.msg ()));
 #endif
 }