diff --git a/docs/pages/guides/refresh-token-rotation.mdx b/docs/pages/guides/refresh-token-rotation.mdx
index b00be118ad..b8215cd205 100644
--- a/docs/pages/guides/refresh-token-rotation.mdx
+++ b/docs/pages/guides/refresh-token-rotation.mdx
@@ -102,14 +102,15 @@ export const { handlers, auth } = NextAuth({
             refresh_token?: string
           }
 
-          token.access_token = newTokens.access_token
-          token.expires_at = Math.floor(
-            Date.now() / 1000 + newTokens.expires_in
-          )
-          // Some providers only issue refresh tokens once, so preserve if we did not get a new one
-          if (newTokens.refresh_token)
-            token.refresh_token = newTokens.refresh_token
-          return token
+          return {
+            ...token,
+            access_token: newTokens.access_token,
+            expires_at: Math.floor(
+              Date.now() / 1000 + newTokens.expires_in
+            ),
+            // Some providers only issue refresh tokens once, so preserve if we did not get a new one
+            refresh_token: newTokens.refresh_token ? newTokens.refresh_token : token.refresh_token
+          }
         } catch (error) {
           console.error("Error refreshing access_token", error)
           // If we fail to refresh the token, return an error so we can handle it on the page