diff --git a/packages/epo-react-lib/src/atomic/Picture/index.tsx b/packages/epo-react-lib/src/atomic/Picture/index.tsx
index 91f67a94..524fe17c 100644
--- a/packages/epo-react-lib/src/atomic/Picture/index.tsx
+++ b/packages/epo-react-lib/src/atomic/Picture/index.tsx
@@ -5,7 +5,7 @@ import { stringifySrcSet } from "../Image/utils";
 
 type AlternateSource = {
   type?: string;
-  width: number;
+  width?: number;
   height?: number;
   mediaCondition?: string;
   srcSet: string | Array<srcType>;