diff --git a/lib/nextauth.ts b/lib/nextauth.ts
index d17507a..451163b 100644
--- a/lib/nextauth.ts
+++ b/lib/nextauth.ts
@@ -15,7 +15,7 @@ export const authOptions: NextAuthOptions = {
                     name: profile.name,
                     email: profile.email,
                     image: profile.avatar_url,
-                    username: profile.username,
+                    username: profile.login,
                 } as User;
             },
         }),
@@ -35,25 +35,28 @@ export const authOptions: NextAuthOptions = {
               if ((github.expires_at || 0) * 1000 < Date.now()) {
                 // If the access token has expired, try to refresh it
                 try {
-                  const response = await fetch("https://github.com/login/oauth/access_token", {
-                    headers: { "Content-Type": "application/json" },
-                    body: JSON.stringify({
+
+                    const params = new URLSearchParams({
                         client_id: process.env.GITHUB_ID as string,
                         client_secret: process.env.GITHUB_SECRET as string,
                         grant_type: "refresh_token",
                         refresh_token: github.refresh_token as string,
-                    }),
+                    });
+
+                  const response = await fetch("https://github.com/login/oauth/access_token?" + params, {
+                    headers: { "Accept": "application/json" },
                     method: "POST",
                   })
-        
-                  const tokens: TokenSet = await response.json()
+
+                  const tok = await response.json()
+                  const tokens: TokenSet = tok;
         
                   if (!response.ok) throw tokens
         
                   await prisma.account.update({
                     data: {
                       access_token: tokens.access_token,
-                      expires_at: Math.floor(Date.now() / 1000 + (tokens.expires_at as number)),
+                      expires_at: Math.floor(Date.now() / 1000 + (tokens.expires_in as number)),
                       refresh_token: tokens.refresh_token ?? github.refresh_token,
                     },
                     where: {
@@ -87,7 +90,6 @@ export const authOptions: NextAuthOptions = {
                     username: u.username,
                 };
           }
-          console.log(token);
           return { ...token, username: token.username };
         },
       },