1 files changed, 1 insertions, 1 deletions
diff --git a/src/org/traccar/protocol/DwayProtocolDecoder.java b/src/org/traccar/protocol/DwayProtocolDecoder.java
index c3941b0a1..f2e1ad710 100644
--- a/src/org/traccar/protocol/DwayProtocolDecoder.java
+++ b/src/org/traccar/protocol/DwayProtocolDecoder.java
@@ -62,7 +62,7 @@ public class DwayProtocolDecoder extends BaseProtocolDecoder {
         String sentence = (String) msg;
         if (sentence.equals("AA55,HB")) {
             if (channel != null) {
-                channel.write(new NetworkMessage("55AA,HB,OK\r\n", remoteAddress));
+                channel.writeAndFlush(new NetworkMessage("55AA,HB,OK\r\n", remoteAddress));
             }
             return null;
         }