diff --git a/examples/mqtt-ws-server.rs b/examples/mqtt-ws-server.rs
index d61479a..3bf564c 100644
--- a/examples/mqtt-ws-server.rs
+++ b/examples/mqtt-ws-server.rs
@@ -6,7 +6,7 @@ use ntex::io::{Filter, Io};
 use ntex::service::{chain_factory, ServiceFactory};
 use ntex::util::{variant, Ready};
 use ntex::ws;
-use ntex_mqtt::{v3, v5, MqttError, MqttServer};
+use ntex_mqtt::{v3, v5, HandshakeError, MqttError, MqttServer};
 use ntex_tls::openssl::Acceptor;
 use openssl::ssl::{SslAcceptor, SslFiletype, SslMethod};
 
@@ -101,9 +101,9 @@ async fn main() -> std::io::Result<()> {
                         return match result {
                             Some(Protocol::Mqtt) => Ok(variant::Variant2::V1(io)),
                             Some(Protocol::Http) => Ok(variant::Variant2::V2(io)),
-                            Some(Protocol::Unknown) => {
-                                Err(MqttError::ServerError("Unsupported protocol"))
-                            }
+                            Some(Protocol::Unknown) => Err(MqttError::Handshake(
+                                HandshakeError::Server("Unsupported protocol"),
+                            )),
                             None => {
                                 // need to read more data
                                 io.read_ready().await?;
@@ -139,8 +139,10 @@ async fn main() -> std::io::Result<()> {
                                                         &codec,
                                                     )
                                                     .await?;
-                                                    return Err(MqttError::ServerError(
-                                                        "WebSockets handshake error",
+                                                    return Err(MqttError::Handshake(
+                                                        HandshakeError::Server(
+                                                            "WebSockets handshake error",
+                                                        ),
                                                     ));
                                                 }
                                                 Ok(mut res) => {
@@ -176,7 +178,9 @@ async fn main() -> std::io::Result<()> {
                             // adapt service error to mqtt error
                             .map_err(|e| {
                                 log::info!("Http server error: {:?}", e);
-                                MqttError::ServerError("Http server error")
+                                MqttError::Handshake(HandshakeError::Server(
+                                    "Http server error",
+                                ))
                             })),
                 )
         })?
diff --git a/src/lib.rs b/src/lib.rs
index ceaa027..9139571 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -19,7 +19,7 @@ mod session;
 mod types;
 mod version;
 
-pub use self::error::MqttError;
+pub use self::error::{HandshakeError, MqttError};
 pub use self::server::MqttServer;
 pub use self::session::Session;
 pub use self::topic::{TopicFilter, TopicFilterError, TopicFilterLevel};