diff --git a/src/plugins/vis_augmenter/public/types.ts b/src/plugins/vis_augmenter/public/types.ts
index 551b461668a6..4d547dad3aff 100644
--- a/src/plugins/vis_augmenter/public/types.ts
+++ b/src/plugins/vis_augmenter/public/types.ts
@@ -14,7 +14,7 @@ export enum VisLayerErrorTypes {
 
 export interface VisLayerError {
   type: keyof typeof VisLayerErrorTypes;
-  message?: string;
+  message: string;
 }
 
 export type PluginResourceType = string;