1 files changed, 1 insertions, 1 deletions
diff --git a/src/main/java/org/traccar/protocol/TaipPrefixEncoder.java b/src/main/java/org/traccar/protocol/TaipPrefixEncoder.java
index b690c176d..3d906ab60 100644
--- a/src/main/java/org/traccar/protocol/TaipPrefixEncoder.java
+++ b/src/main/java/org/traccar/protocol/TaipPrefixEncoder.java
@@ -38,7 +38,7 @@ public class TaipPrefixEncoder extends MessageToMessageEncoder<ByteBuf> {
     @Override
     protected void encode(ChannelHandlerContext ctx, ByteBuf msg, List<Object> out) throws Exception {
         if (Context.getConfig().getBoolean(Keys.PROTOCOL_PREFIX.withPrefix(protocol.getName()))) {
-            Unpooled.wrappedBuffer(Unpooled.wrappedBuffer(new byte[] {0x20, 0x20, 0x06, 0x00}), msg);
+            out.add(Unpooled.wrappedBuffer(Unpooled.wrappedBuffer(new byte[] {0x20, 0x20, 0x06, 0x00}), msg));
         } else {
             out.add(msg);
         }