diff --git a/src/document/world-settings.ts b/src/document/world-settings.ts
index 39bc644f..1f421387 100644
--- a/src/document/world-settings.ts
+++ b/src/document/world-settings.ts
@@ -16,6 +16,7 @@ export interface WorldVerticalGradientBackgroundSettings {
 export interface WorldImageBackgroundSettings {
   mode: "image";
   assetId: string;
+  environmentIntensity: number;
 }
 
 export type WorldBackgroundSettings =