diff --git a/packages/website/src/components/TanksEmbed.tsx b/packages/website/src/components/TanksEmbed.tsx
index 42dbc5b2f..428e95abf 100644
--- a/packages/website/src/components/TanksEmbed.tsx
+++ b/packages/website/src/components/TanksEmbed.tsx
@@ -106,6 +106,7 @@ export function BreakdownEmbedCard({ tank }: BreakdownEmbedCardProps) {
 
           return (
             <Flex
+              key={column}
               direction="column"
               align="center"
               gap={useState('columnGap')}
diff --git a/packages/website/src/pages/tools/embed/[embed]/_index.tsx b/packages/website/src/pages/tools/embed/[embed]/_index.tsx
index d7219b815..2de911e2c 100644
--- a/packages/website/src/pages/tools/embed/[embed]/_index.tsx
+++ b/packages/website/src/pages/tools/embed/[embed]/_index.tsx
@@ -228,6 +228,7 @@ function Content({ embed }: PageProps) {
 
               return (
                 <Flex
+                  key={configKey}
                   direction={oneLiner ? undefined : 'column'}
                   gap={oneLiner ? '2' : '1'}
                   justify={oneLiner ? 'between' : undefined}