diff --git a/library/modules/Gui.cpp b/library/modules/Gui.cpp
index 992913e10..c718bf46e 100644
--- a/library/modules/Gui.cpp
+++ b/library/modules/Gui.cpp
@@ -381,9 +381,8 @@ DEFINE_GET_FOCUS_STRING_HANDLER(dwarfmode)
             if (game->main_interface.view_sheets.linking_lever)
                 newFocusString = baseFocus + "/LinkingLever";
             else if (auto bld = df::building::find(game->main_interface.view_sheets.viewing_bldid)) {
-                std::string buildingType = enum_item_key(bld->getType());
-                newFocusString += '/' + buildingType;
-                if (buildingType == "Trap") {
+                newFocusString += '/' + enum_item_key(bld->getType());
+                if (bld->getType() == df::enums::building_type::Trap) {
                     df::building_trapst* trap = strict_virtual_cast<df::building_trapst>(bld);
                     newFocusString += '/' + enum_item_key(trap->trap_type);
                 }