diff --git a/packages/next/src/server/base-server.ts b/packages/next/src/server/base-server.ts
index 55dff6a81e973..e9a8461835fa0 100644
--- a/packages/next/src/server/base-server.ts
+++ b/packages/next/src/server/base-server.ts
@@ -889,7 +889,11 @@ export default abstract class Server<ServerOptions extends Options = Options> {
       }
 
       const { originalRequest } = req as NodeNextRequest
-      const isHttps = !!(originalRequest?.socket as TLSSocket)?.encrypted
+      const xForwardedProto = originalRequest?.headers['x-forwarded-proto']
+      const isHttps = xForwardedProto
+        ? xForwardedProto === 'https'
+        : !!(originalRequest?.socket as TLSSocket)?.encrypted
+
       req.headers['x-forwarded-host'] ??= req.headers['host'] ?? this.hostname
       req.headers['x-forwarded-port'] ??= this.port
         ? this.port.toString()