diff --git a/src/case/index.js b/src/case/index.js
index 70d85ee9e..bc43a3dff 100644
--- a/src/case/index.js
+++ b/src/case/index.js
@@ -12,7 +12,7 @@ import * as layer from "./layer";
 import * as linearSegment from "./linearsegment";
 import * as colorchooser from "./colorchooser";
 import { SelectList } from "./list/list.select";
-
+import * as combo from "./combo";
 
 Object.assign(BI, {
     ...combo,