diff --git a/README.md b/README.md
index 4e84836..1e83716 100644
--- a/README.md
+++ b/README.md
@@ -1164,7 +1164,7 @@ void handleNotFound(AsyncWebServerRequest *request)
 void setup()
 {
   Serial.begin(115200);
-  while (!Serial);
+  while (!Serial && millis() < 5000);
 
   delay(200);