diff --git a/src/js/game/hud/parts/base_toolbar.js b/src/js/game/hud/parts/base_toolbar.js
index 391c3558..75862c41 100644
--- a/src/js/game/hud/parts/base_toolbar.js
+++ b/src/js/game/hud/parts/base_toolbar.js
@@ -1,6 +1,6 @@
 import { gMetaBuildingRegistry } from "../../../core/global_registries";
 import { Signal, STOP_PROPAGATION } from "../../../core/signal";
-import { makeDiv } from "../../../core/utils";
+import { makeDiv, safeModulo } from "../../../core/utils";
 import { KEYMAPPINGS } from "../../key_action_mapper";
 import { MetaBuilding } from "../../meta_building";
 import { GameRoot } from "../../root";