diff --git a/docs/ui/TeaserCard.tsx b/docs/ui/TeaserCard.tsx
index 3db05cbb82..3204a7fa1a 100644
--- a/docs/ui/TeaserCard.tsx
+++ b/docs/ui/TeaserCard.tsx
@@ -30,7 +30,7 @@ export interface TeaserListProps {
 export const TeaserList = ({ items }: TeaserListProps) => (
   <Tiles tilesWidth="300px" space={5} stretch>
     {items.map(props => (
-      <TeaserCard {...props} />
+      <TeaserCard key={props.href} {...props} />
     ))}
   </Tiles>
 );