diff --git a/common/transport/mqtt/src/main/java/org/thingsboard/server/transport/mqtt/MqttTransportContext.java b/common/transport/mqtt/src/main/java/org/thingsboard/server/transport/mqtt/MqttTransportContext.java
index 8eae488be9..82c98c0fac 100644
--- a/common/transport/mqtt/src/main/java/org/thingsboard/server/transport/mqtt/MqttTransportContext.java
+++ b/common/transport/mqtt/src/main/java/org/thingsboard/server/transport/mqtt/MqttTransportContext.java
@@ -65,7 +65,7 @@ public class MqttTransportContext extends TransportContext {
     private SslHandler sslHandler;
 
     @Getter
-    @Value("${transport.mqtt.msg_queue_size_per_device_limit:10000}")
+    @Value("${transport.mqtt.msg_queue_size_per_device_limit:100}")
     private int messageQueueSizePerDeviceLimit;
 
     @Getter