diff --git a/web/config/handlers.js b/web/config/handlers.js
index 7afd23109..d9cf5dd0d 100644
--- a/web/config/handlers.js
+++ b/web/config/handlers.js
@@ -72,4 +72,13 @@ export const handlers = [
       )
     );
   }),
+  rest.get(`${API_HOST}/api/sub_labels`, (req, res, ctx) => {
+    return res(
+      ctx.status(200),
+      ctx.json([
+        'one',
+        'two',
+      ])
+    );
+  }),
 ];