diff --git a/src/middleware.ts b/src/middleware.ts
index e3c0192..102e5c8 100644
--- a/src/middleware.ts
+++ b/src/middleware.ts
@@ -6,6 +6,8 @@ export async function middleware(request: NextRequest) {
   return await updateSession(request)
 }
 
+// All values must be hardcoded in the middleware config,
+// which is why the project ID is hardcoded for the cookie key.
 export const config = {
   matcher: [
     /*
@@ -15,6 +17,19 @@ export const config = {
      * - favicon.ico (favicon file)
      * Feel free to modify this pattern to include more paths.
      */
-    '/((?!_next/static|_next/image|favicon.ico|.*\\.(?:svg|png|jpg|jpeg|gif|webp)$).*)',
+    {
+      // Production
+      source: '/((?!_next/static|_next/image|favicon.ico|.*\\.(?:svg|png|jpg|jpeg|gif|webp)$).*)',
+      has: [
+        { type: 'cookie', key: 'sb-scfxbqapigdjfebqwmoj-auth-token' },
+      ]
+    },
+    {
+      // Local development
+      source: '/((?!_next/static|_next/image|favicon.ico|.*\\.(?:svg|png|jpg|jpeg|gif|webp)$).*)',
+      has: [
+        { type: 'cookie', key: 'sb-127-auth-token' },
+      ]
+    },
   ],
 }