--- gigedit/trunk/src/gigedit/mainwindow.cpp	2020/08/14 11:35:58	3809
+++ gigedit/trunk/src/gigedit/mainwindow.cpp	2020/08/14 11:45:08	3810
@@ -3614,13 +3614,18 @@
 {
     instrumentProps.signal_name_changed().clear();
 
+    // get visual selection
     std::vector<Gtk::TreeModel::Path> rows = m_TreeViewInstruments.get_selection()->get_selected_rows();
     if (rows.empty()) {
         instrumentProps.hide();
         return false;
     }
+
+    // convert index of visual selection (i.e. if filtered) to index of model
+    Gtk::TreeModel::Path path = m_refInstrumentsModelFilter->convert_path_to_child_path(rows[0]);
+
     //NOTE: was const_iterator before, which did not compile with GTKMM4 development branch, probably going to be fixed before final GTKMM4 release though.
-    Gtk::TreeModel::iterator it = m_refInstrumentsTreeModel->get_iter(rows[0]);
+    Gtk::TreeModel::iterator it = m_refInstrumentsTreeModel->get_iter(path);
     if (it) {
         Gtk::TreeModel::Row row = *it;
         gig::Instrument* instrument = row[m_InstrumentsModel.m_col_instr];