diff --git a/src/PubSubClient.h b/src/PubSubClient.h
index c70d9fd3..e660a49d 100755
--- a/src/PubSubClient.h
+++ b/src/PubSubClient.h
@@ -23,7 +23,7 @@
 
 // MQTT_MAX_PACKET_SIZE : Maximum packet size. Override with setBufferSize().
 #ifndef MQTT_MAX_PACKET_SIZE
-#define MQTT_MAX_PACKET_SIZE 256
+#define MQTT_MAX_PACKET_SIZE 500
 #endif
 
 // MQTT_KEEPALIVE : keepAlive interval in Seconds. Override with setKeepAlive()