diff --git a/.changeset/lazy-plums-sit.md b/.changeset/lazy-plums-sit.md
new file mode 100644
index 000000000000..363021312da8
--- /dev/null
+++ b/.changeset/lazy-plums-sit.md
@@ -0,0 +1,5 @@
+---
+'@astrojs/image': patch
+---
+
+Improve type definitions (`background` should be optional)
diff --git a/packages/integrations/image/components/index.ts b/packages/integrations/image/components/index.ts
index c4f41123f7f5..2ca557656a09 100644
--- a/packages/integrations/image/components/index.ts
+++ b/packages/integrations/image/components/index.ts
@@ -47,7 +47,7 @@ export interface PictureComponentRemoteImageProps
 	widths: number[];
 	aspectRatio: TransformOptions['aspectRatio'];
 	formats?: OutputFormat[];
-	background: TransformOptions['background'];
+	background?: TransformOptions['background'];
 }
 
 export type ImgHTMLAttributes = HTMLAttributes<'img'>;