diff --git a/src/components/common/Footer/index.tsx b/src/components/common/Footer/index.tsx
index 7fade8e..a507c5b 100644
--- a/src/components/common/Footer/index.tsx
+++ b/src/components/common/Footer/index.tsx
@@ -28,7 +28,9 @@ export default function Footer() {
           </Nav>
           <Nav>
             {Object.keys(config.socialLinks).map((social) => (
-              <Nav.Link href={config.socialLinks[social]} target="_blank"><Icon name={social} /></Nav.Link>
+              <Nav.Link key={social} href={config.socialLinks[social]} target="_blank">
+                <Icon name={social} />
+              </Nav.Link>
             ))}
           </Nav>
         </Container>
diff --git a/src/config.ts b/src/config.ts
index 136b7a6..a4df90c 100644
--- a/src/config.ts
+++ b/src/config.ts
@@ -1,4 +1,4 @@
-export default {
+const config = {
   percentsForBoughtBalance: {
     50000: 2,
     60000: 2.1,
@@ -20,3 +20,5 @@ export default {
     whitepaper: 'https://ethereum.org/en/whitepaper',
   } as { [index: string]: string },
 };
+
+export default config;