diff --git a/src/lib/supabase/server.ts b/src/lib/supabase/server.ts
index 22565ce..2f4516d 100644
--- a/src/lib/supabase/server.ts
+++ b/src/lib/supabase/server.ts
@@ -8,7 +8,7 @@ export async function createClient() {
     process.env.NEXT_PUBLIC_SUPABASE_ANON_KEY!,
     {
       global: {
-        fetch: (url, options) => {
+        fetch: (url: string | URL | Request, options?: RequestInit) => {
           const u = new URL(url.toString());
           if (process.env.NODE_ENV === 'production' && u.hostname === 'supabase.4ventures.es') {
             u.protocol = 'http:';
diff --git a/src/middleware.ts b/src/middleware.ts
index a73f4db..f85331e 100644
--- a/src/middleware.ts
+++ b/src/middleware.ts
@@ -29,7 +29,7 @@ export async function middleware(req: NextRequest) {
     process.env.NEXT_PUBLIC_SUPABASE_ANON_KEY!,
     {
       global: {
-        fetch: (url, options) => {
+        fetch: (url: string | URL | Request, options?: RequestInit) => {
           const u = new URL(url.toString());
           if (process.env.NODE_ENV === 'production' && u.hostname === 'supabase.4ventures.es') {
             u.protocol = 'http:';