diff --git a/cvat-canvas3d/src/typescript/canvas3d.ts b/cvat-canvas3d/src/typescript/canvas3d.ts
index bf03acbc..6333e23d 100644
--- a/cvat-canvas3d/src/typescript/canvas3d.ts
+++ b/cvat-canvas3d/src/typescript/canvas3d.ts
@@ -118,5 +118,7 @@ class Canvas3dImpl implements Canvas3d {
 }
 
 export {
-    Canvas3dImpl as Canvas3d, Canvas3dVersion, ViewType, MouseInteraction, CameraAction, ViewsDOM, Mode as CanvasMode,
+    Canvas3dImpl as Canvas3d, Canvas3dVersion, ViewType, MouseInteraction, CameraAction, Mode as CanvasMode,
 };
+
+export type { ViewsDOM };
diff --git a/cvat-ui/webpack.config.js b/cvat-ui/webpack.config.js
index 9c8b9485..85582d81 100644
--- a/cvat-ui/webpack.config.js
+++ b/cvat-ui/webpack.config.js
@@ -134,6 +134,11 @@ module.exports = (env) => ({
                 },
             },
         ],
+        parser: {
+            javascript: {
+                exportsPresence: 'error',
+            },
+        },
     },
     plugins: [
         new HtmlWebpackPlugin({