diff --git a/dubbo-remoting/dubbo-remoting-api/src/main/java/org/apache/dubbo/remoting/api/PortUnificationServerHandler.java b/dubbo-remoting/dubbo-remoting-api/src/main/java/org/apache/dubbo/remoting/api/PortUnificationServerHandler.java
index 634b40631326..50fb0b8d5401 100644
--- a/dubbo-remoting/dubbo-remoting-api/src/main/java/org/apache/dubbo/remoting/api/PortUnificationServerHandler.java
+++ b/dubbo-remoting/dubbo-remoting-api/src/main/java/org/apache/dubbo/remoting/api/PortUnificationServerHandler.java
@@ -109,7 +109,9 @@ protected void decode(ChannelHandlerContext ctx, ByteBuf in, List<Object> out)
 
     private void enableSsl(ChannelHandlerContext ctx) {
         ChannelPipeline p = ctx.pipeline();
-        p.addLast("ssl", sslCtx.newHandler(ctx.alloc()));
+        if (sslCtx != null) {
+            p.addLast("ssl", sslCtx.newHandler(ctx.alloc()));
+        }
         p.addLast("unificationA",
             new PortUnificationServerHandler(url, sslCtx, false, protocols, channels));
         p.remove(this);