diff --git a/packages/next/src/server/lib/start-server.ts b/packages/next/src/server/lib/start-server.ts
index 28fae10c6a7fb..7f21d0a5e1477 100644
--- a/packages/next/src/server/lib/start-server.ts
+++ b/packages/next/src/server/lib/start-server.ts
@@ -234,7 +234,9 @@ export async function startServer(
 
       port = typeof addr === 'object' ? addr?.port || port : port
 
-      const networkUrl = hostname ? `http://${actualHostname}:${port}` : null
+      const networkUrl = hostname
+        ? `${selfSignedCertificate ? 'https' : 'http'}://${actualHostname}:${port}`
+        : null
       const appUrl = `${
         selfSignedCertificate ? 'https' : 'http'
       }://${formattedHostname}:${port}`