diff --git a/.env.production b/.env.production
index 23a31e3..28b3c72 100644
--- a/.env.production
+++ b/.env.production
@@ -2,3 +2,7 @@
 NEXT_PUBLIC_COLOR_PRIMARY=#1C01A9
 NEXT_PUBLIC_COLOR_SECONDARY=#3A0185
 NEXT_PUBLIC_COLOR_TERTIARTY=#580161
+
+
+####### ICONS ########
+NEXT_PUBLIC_FAVICON=favicon.prod.ico
\ No newline at end of file
diff --git a/pages/_document.jsx b/pages/_document.jsx
index 97ad5a3..3e92df8 100644
--- a/pages/_document.jsx
+++ b/pages/_document.jsx
@@ -7,11 +7,13 @@ export default class MyDocument extends Document {
     const originalRenderPage = ctx.renderPage;
 
     try {
-      ctx.renderPage = () => originalRenderPage({
+      ctx.renderPage = () =>
+        originalRenderPage({
           enhanceApp: (App) => (props) => sheet.collectStyles(<App {...props} />),
         });
 
       const initialProps = await Document.getInitialProps(ctx);
+
       return {
         ...initialProps,
         styles: (
@@ -46,7 +48,7 @@ export default class MyDocument extends Document {
 
           <link
             rel="icon"
-            href={process.env.NODE_ENV === 'production' ? 'favicon.prod.ico' : 'favicon.ico'}
+            href={process.env.NEXT_PUBLIC_FAVICON || 'favicon.ico'}
             crossOrigin="use-credentials"
           />