diff --git a/src/blackgui/models/aircraftcategorytreemodel.cpp b/src/blackgui/models/aircraftcategorytreemodel.cpp
index 682326659..75131289a 100644
--- a/src/blackgui/models/aircraftcategorytreemodel.cpp
+++ b/src/blackgui/models/aircraftcategorytreemodel.cpp
@@ -35,6 +35,7 @@ namespace BlackGui
     {
         CAircraftCategoryTreeModel::CAircraftCategoryTreeModel(QObject *parent) : QStandardItemModel(parent)
         {
+            m_columns.addColumn(CColumn::standardString("id", CAircraftCategory::IndexDbIntegerKey));
             m_columns.addColumn(CColumn::standardString("description", CAircraftCategory::IndexDescription));
             m_columns.addColumn(CColumn::standardString("changed", CAircraftCategory::IndexUtcTimestampFormattedYmdhms));
         }